Microsoft Prevented OEMs From Removing the Ready Means of Accessing Internet Explorer

Written by legalpdf | Published 2023/09/13
Tech Story Tags: tech-companies | microsoft | microsoft-antitrust | internet-explorer | oems | microsoft-business-tactics | legalpdf | history-of-the-internet

TLDRUnited States Of America. v. Microsoft Corporation Court Filing by Thomas Penfield Jackson, November 5, 1999 is part of HackerNoon’s Legal PDF Series. You can jump to any part in this filing here. This is part 39 of 58.via the TL;DR App

United States Of America. v. Microsoft Corporation Court Filing by Thomas Penfield Jackson, November 5, 1999 is part of HackerNoon’s Legal PDF Series. You can jump to any part in this filing here. This is part 39 of 58.

b. Preventing OEMs from Removing the Ready Means of Accessing Internet Explorer and from Promoting Navigator in the Boot Sequence

  1. Since the release of Internet Explorer 1.0 in July 1995, Microsoft has distributed every version of Windows with Internet Explorer included. Consequently, no OEM has ever (with the exception of a few months in late 1997) been able to license a copy of Windows 95 or Windows 98 that has not come with Internet Explorer.

    Refusing to offer OEMs a browserless (and appropriately discounted) version of Windows forces OEMs to take (and pay for) Internet Explorer, but it does not prevent a determined OEM from nevertheless offering its consumers a different Web browser. Even Microsoft’s additional refusal to allow OEMs to uninstall (without completely removing) Internet Explorer from Windows does not completely foreclose a resourceful OEM from offering consumers another browser.

    For example, an OEM with sufficient technical expertise (which all the larger OEMs certainly possess) could offer its customers a choice of browsers while still minimizing user confusion if the OEM were left free to configure its systems to present this choice the first time a user turned on a new PC system.

    If the user chose Navigator, the system would automatically remove the most prominent means of accessing Internet Explorer from Windows (without actually uninstalling, i.e., removing all means of accessing, Internet Explorer) before the desktop screen appeared for the first time.

  1. If OEMs removed the most visible means of invoking Internet Explorer, and preinstalled Navigator with facile methods of access, Microsoft’s purpose in forcing OEMs to take Internet Explorer — capturing browser usage share from Netscape — would be subverted.

    The same would be true if OEMs simply configured their machines to promote Navigator before Windows had a chance to promote Internet Explorer, Decision-makers at Microsoft believed that as Internet Explorer caught up with Navigator in quality, OEMs would ultimately conclude that the costs of pre-installing and promoting Navigator, and removing easy access to Internet Explorer, outweighed the benefits.

    Still, those decision-makers did not believe that Microsoft could afford to wait for the several large OEMs that represented virtually all Windows PCs shipped to come to this desired conclusion on their own. Therefore, in order to bring the behavior of OEMs into line with its strategic goals quickly, Microsoft threatened to terminate the Windows license of any OEM that removed Microsoft’s chosen icons and program entries from the Windows desktop or the “Start” menu.

    It threatened similar punishment for OEMs who added programs that promoted third-party software to the Windows “boot” sequence. These inhibitions soured Microsoft’s relations with OEMs and stymied innovation that might have made Windows PC systems more satisfying to users. Microsoft would not have paid this price had it not been convinced that its actions were necessary to ostracize Navigator from the vital OEM distribution channel.

  1. Although Microsoft’s original Windows 95 licenses withheld from OEMs permission to implement any modifications to the Windows product not expressly authorized by Microsoft’s “OEM Pre-Installation Kit,” or “OPK,” it had always been Microsoft’s practice to grant certain OEMs requesting it some latitude to make modifications not specified in the OPK.

    But when OEMs began, in the summer of 1995, to request permission to remove the Internet Explorer icon from the Windows desktop prior to shipping their PCs, Microsoft consistently and

    steadfastly refused. As Compaq learned in the first half of 1996, Microsoft was prepared to enforce this prohibition against even its closest OEM allies.

  2. In August 1995, Compaq entered into a “Promotion and Distribution Agreement” with AOL whereby Compaq agreed to “position AOL Services above all other Online Services within the user interface of its Products.” An addendum to the agreement provided that Compaq would place an AOL icon — and no OLS icons not controlled by AOL — on the desktop of its PCs. Pursuant to its obligations, Compaq began in late 1995 or early 1996 to ship its Presario PCs with the MSN icon removed and the AOL icon added to the Windows desktop.

    At the same time, Compaq removed the Internet Explorer icon from the desktop of its Presarios and replaced it with a single icon representing both the Spry ISP and the browser product that Spry bundled, i.e., Navigator. Compaq added this icon in part because it recognized Navigator to be the most popular browser product with its consumers; it removed the Internet Explorer icon because it did not want its PCs desktops to confuse novice users with a clutter of Internet-related icons.

  3. When Microsoft learned of Compaq’s plans for the Presario, it informed Compaq that it considered the removal of the MSN and Internet Explorer icons to be a violation of the OPK process by which Compaq had previously agreed to abide. For its part, AOL informed Compaq that it viewed the addition of an icon for Spry as a violation of their 1995 agreement. AOL did not object to the presence of a Navigator icon; what concerned AOL was the fact that clicking on this icon brought the user to the Spry ISP.

    Despite the protests from Microsoft and AOL, Compaq refused to reconfigure the Presario desktop. Finally, after months of unsuccessful importunity, Microsoft sent Compaq a letter on May 31, 1996, stating its intention to terminate Compaq’s license for Windows 95 if Compaq did not restore the MSN and Internet Explorer icons to their original positions.

    Compaq’s executives opined that their firm could not continue in business for long without a license for Windows, so in June Compaq restored the MSN and IE icons to the Presario desktop.

  4. Microsoft did not further condition its withdrawal of the termination notice on the removal of the AOL and Navigator icons; AOL, however, did protest both the continued presence of a Spry icon and the reappearance of the MSN icon.

    After AOL sent Compaq a formal notice of its intent to terminate the Promotion and Distribution Agreement in September 1996, Compaq removed the Spry/Navigator icon. For reasons discussed below, Compaq did not then replace the Spry/Navigator icon with an icon solely for Navigator.

  1. In its confrontation with Compaq, Microsoft demonstrated that it was prepared to go to the brink of losing all Windows sales through its highest-volume OEM partner in order to enforce its prohibition against removing Microsoft’s Internet-related icons from the Windows desktop.

  1. If the only prohibition had been against removing Microsoft icons and program entries, OEMs partial to Navigator still would have been able to recruit users to Navigator by configuring their PCs to promote it before the Windows desktop first presented itself. This is true because the average user, having chosen a browser product, is indisposed to undergo the trouble of switching to a different one.

    With the release of Windows 95, some of the highvolume OEMs began to customize the Windows boot sequence so that, the first time users turned on their new PCs, certain OEM-designed tutorials and registration programs, as well as “splash” screens that simply displayed the OEM’s brand, would run before the users were presented with the Windows desktop.

  1. Promoting non-Microsoft software and services was not the only, or even the primary, purpose of the OEM introductory programs. The primary purpose, rather, was to make the experience of setting up and learning to use a new PC system easier and less confusing for users, especially novices.

    By doing so, the OEMs believed, they would increase the value of their systems and minimize both product returns and costly support calls. Since just three calls from a consumer can erase the entire profit that an OEM earned selling a PC system to that consumer, OEMs have an acute interest in making their systems self-explanatory and simple to use.

    A secondary purpose motivating OEMs to insert programs into the boot sequence was to differentiate their products from those of their competitors. Finally, OEMs perceived an opportunity to collect bounties from IAPs and ISVs in exchange for the promotion of their services and software in the boot sequence.

    Thus, among the programs that many OEMs inserted into the boot sequence were Internet sign-up procedures that encouraged users to choose from a list of IAPs assembled by the OEM.

    In many cases, a consumer signing up for an IAP through an OEM program would automatically become a user of whichever browser that IAP bundled with its proprietary software. In other cases, the IAP would present the user with a choice of browsers in the course of collecting from the user the information necessary to start a subscription.

  1. In addition to tutorials, sign-up programs, and splash screens, a few large OEMs developed programs that ran automatically at the conclusion of a new PC system’s first boot sequence. These programs replaced the Windows desktop either with a user interface designed by the OEM or with Navigator’s user interface.

    The OEMs that implemented automatically loading alternative user interfaces did so out of the belief that many users, particularly novice ones, would find the alternate interfaces less complicated and confusing than the Windows desktop.

  1. When Gates became aware of what the OEMs were doing, he expressed concern to Kempin, the Microsoft executive in charge of OEM sales. On January 6, 1996, Gates wrote to Kempin: “Winning Internet browser share is a very very important goal for us.

    Apparently a lot of OEMs are bundling non-Microsoft browsers and coming up with offerings together with Internet Service providers that get displayed on their machines in a FAR more prominent way than MSN or our Internet browser.” Less than three weeks later, Kempin delivered his semiannual report on OEM sales to his superiors.

    In the report, he identified “Control over start-up screens, MSN and IE placement” as one interest that Microsoft had neglected over the previous six months.

    The ongoing imbroglio with Compaq was prominent in Kempin’s thinking, but he also recognized that establishing control over the boot process was necessary to ensure preferential positioning for MSN and Internet Explorer.

  1. In an effort to thwart the practice of OEM customization, Microsoft began, in the spring of 1996, to force OEMs to accept a series of restrictions on their ability to reconfigure the Windows 95 desktop and boot sequence. There were five such restrictions, which were manifested either as amendments to existing Windows 95 licenses or as terms in new Windows 98 licenses.

    First, Microsoft formalized the prohibition against removing any icons, folders, or “Start” menu entries that Microsoft itself had placed on the Windows desktop. Second, Microsoft prohibited OEMs from modifying the initial Windows boot sequence.

    Third, Microsoft prohibited OEMs from installing programs, including alternatives to the Windows desktop user interface, which would launch automatically upon completion of the initial Windows boot sequence. Fourth, Microsoft prohibited OEMs from adding icons or folders to the Windows desktop that were not similar in size and shape to icons supplied by Microsoft.

    Finally, when Microsoft later released the Active Desktop as part of Internet Explorer 4.0, it added the restriction that OEMs were not to use that feature to display third-party brands.

  2. The several OEMs that in the aggregate represented over ninety percent of Intelcompatible PC sales believed that the new restrictions would make their PC systems more difficult and more confusing to use, and thus less acceptable to consumers. They also anticipated that the restrictions would increase product returns and support costs and generally lower the value of their machines.

    Those OEMs that had already spent millions of dollars developing and implementing tutorial and registration programs and/or automatically-loading graphical interfaces in the Windows boot sequence lamented that their investment would, as a result of Microsoft’s policy, be largely wasted. Gateway, Hewlett-Packard, and IBM communicated their opposition forcefully and urged Microsoft to lift the restrictions.

    Emblematic of the reaction among large OEMs was a letter that the manager of research and development at Hewlett- Packard sent to Microsoft in March 1997. He wrote:

Microsoft’s mandated removal of all OEM boot-sequence and auto-start programs for OEM licensed systems has resulted in significant and costly problems for the HP-Pavilion line of retail PC’s.

Our data (as of 3/10/97) shows a 10% increase in W[indows]95 calls as a % of our total customer support calls . . . .

Our registration rate has also dropped from the mid-80% range to the low 60% range.

There is also subjective data from several channel partners that our system return rate has increased from the lowest of any OEM (even lower than Apple) to a level comparable to the other Microsoft OEM PC vendors. This is a major concern in that we are taking a step backward in meeting customer satisfaction needs.

These three pieces of data confirm that we have been damaged by the edicts that [] Microsoft issued last fall. . . .

From the consumer perspective, we are hurting our industry and our customers. PC’s can be frightening and quirky pieces of technology into which they invest a large sum of their money. It is vitally important that the PC suppliers dramatically improve the consumer buying experience, out of box experience as well as the longer term product usability and reliability. The channel feedback as well as our own data shows that we are going in the wrong direction.

This causes consumer dissatisfaction in complex telephone support process, needless in-home repair visits and ultimately in product returns. Many times the cause is user misunderstanding of a product that presents too much complexity to the common user. . . .

Our Customers hold HP accountable for their dissatisfaction with our products. We bear [] the cost of returns of our products. We are responsible for the cost of technical support of our customers, including the 33% of calls we get related to the lack of quality or confusion generated by your product. And finally we are responsible for our success or failure in the retail PC market.

We must have more ability to decide how our system is presented to our end users.

If we had a choice of another supplier, based on your actions in this area, I assure you [that you] would not be our supplier of choice.

I strongly urge you to have your executives review these decisions and to change this unacceptable policy.

  1. Even in the face of such strident opposition from its OEM customers, Microsoft refused to relent on the bulk of its restrictions. It did, however, grant Hewlett-Packard and other OEMs discounts off the royalty price of Windows as compensation for the work required to bring their respective alternative user interfaces into compliance with Microsoft’s requirements. Despite the high costs that Microsoft’s demands imposed on them, the OEMs obeyed the restrictions because they perceived no alternative to licensing Windows for pre-installation on their PCs.

    Still, the restrictions lowered the value that OEMs attached to Windows by the amount of the costs that the restrictions imposed on them. Furthermore, Microsoft’s intransigence damaged the goodwill between it and several of the highest-volume OEMs.

  2. Microsoft was willing to sacrifice some goodwill and some of the value that OEMs attached to Windows in order to exclude Netscape from the crucial OEM distribution channel. Microsoft’s restrictions succeeded in raising the costs to OEMs of pre-installing and promoting Navigator.

    These increased costs, in turn, were in some cases significant enough to deter OEMs from pre-installing Navigator altogether. In other cases, as is discussed in the next section, OEMs decided not to pre-install Navigator after Microsoft brought still more pressure to bear.

  1. Microsoft’s license agreements have never prohibited OEMs from pre-installing programs, including Navigator, on their PCs and placing icons and entries for those programs on the Windows desktop and in the “Start” menu. The icons and entries that Microsoft itself places on the desktop and in the “Start” menu have always left room for OEMs to insert more icons and program entries of their own choosing.

    In fact, Microsoft leaves enough space for an OEM to add more than forty icons to the Windows desktop. Still, the availability of space for added icons did not make including a Navigator icon inexpensive for OEMs. Given the unavoidable presence of the Internet Explorer and MSN icons, adding a Navigator icon would increase the amount of Internet-related clutter on the desktop. This would lead to confusion among novice users, which would in turn increase the incidence of support calls and product returns.

    Microsoft made this very point clear to OEMs in its attempts to persuade them not to pre-install Navigator on their PCs. Furthermore, OEMs recognized that including multiple Navigator icons in an attempt to draw users’ attention away from Internet Explorer would only increase the amount of clutter on the desktop, thus adding to user confusion.

    Although the Windows 98 OEM license does not forbid the OEM to set Navigator as the default browsing software, doing so would fail to forestall user confusion since, as the Court found in the previous section, Windows 98 launches Internet Explorer in certain situations even if Navigator is set as the default.

  2. The restrictions on modifying the Windows boot sequence, including the prohibition against automatically loading alternate user interfaces, deprived OEMs of the principal devices by which to lure users to Navigator over the high-profile presence of Internet Explorer in the Windows user interface. An OEM remained free to place an icon on the desktop that a user could click to invoke an alternate user interface.

    Plus, once invoked, the interface could be configured to load automatically the next time the PC was turned on. This mode of presentation proved to be much less effective than the one Microsoft foreclosed, however, for studies showed that users tended not to trouble with selecting an alternate user interface; they were content to use the interface that loaded automatically the first time they turned on their PCs.

    Furthermore, while Microsoft’s restrictions never extended to the interval between the time when the PC was turned on and the time when Windows began loading from the hard drive into RAM, developing anything more complicated than a simple splash screen to run in that period would have involved, at a minimum, the writing of a DOS utility and, at the maximum, the preinstallation of a second operating system.

    Such measures were simply not worth the cost. Finally, although the Windows 98 license does not prohibit an OEM from including on the keyboard of its PCs a button that takes users directly to an OEM-maintained site containing promotion for Navigator, such a configuration is extremely costly for an OEM to implement, and it represents a less effective form of promotion than automatically advertising Navigator in the initial boot process.

  1. In the spring of 1998, Microsoft began gradually to moderate certain of the restrictions described above. The first sign of relaxation came when Microsoft permitted some fifty OEMs to include ISPs of their choice in Microsoft’s Internet Connection Wizard.

    Then, in late May and early June 1998, Microsoft informed seven of the highest-volume OEMs that it was granting them the privilege of inserting their own registration and Internet sign-up programs into the initial Windows 98 boot sequence.

    If the user selected an IAP using the OEM program, Microsoft’s Internet Connection Wizard would not run in the boot sequence. Microsoft subsequently extended these same privileges to several other OEMs, upon their request.

  1. It is important to note that Microsoft’s tractability emerged only after the restrictions had been in place for over a year, and only after Microsoft had managed to secure favorable promotion for Internet Explorer through the most important IAPs.

    Furthermore, while Microsoft permitted the OEMs to include in their registration and sign-up programs promotions for their own products (including OEM-branded shell browsers built upon Internet Explorer) and for ISPs (but only if and when those ISPs were selected by consumers in the sign-up process), Microsoft continued to prohibit promotions for any other non-Microsoft products, including Navigator.

    In a single exception, Microsoft granted Gateway’s request that it be permitted to give consumers who used Gateway’s sign-up process and selected Gateway.net as their ISP an opportunity to choose Navigator as their browser. Microsoft granted this permission orally, and it did not extend similar privileges to any other OEMs.

  1. Microsoft asserts that the restrictions it places on the ability of OEMs to modify the Windows desktop and boot sequence are merely intended to prevent OEMs from compromising the quality and consistency of Windows after the code leaves Microsoft’s physical control, but before PC consumers first begin to experience the product.

    In truth, however, the OEM modifications that Microsoft prohibits would not compromise the quality or consistency of Windows any more than the modifications that Microsoft currently permits.

    Furthermore, to the extent that certain OEM modifications did threaten to impair the quality and consistency of Windows, Microsoft’s response has been more restrictive than necessary to abate the threat. Microsoft would not have imposed prohibitions that burdened OEMs and consumers with substantial costs, lowered the value of Windows, and harmed the company’s relations with major OEMs had it not felt that the measures were necessary to maximize Internet Explorer’s share of browser usage at Navigator’s expense.

  2. Microsoft asserts that it restricts the freedom of OEMs to remove icons, folders, or “Start” menu entries that Microsoft places on the Windows desktop in order to ensure that consumers will enjoy ready access to the features that Microsoft’s advertising has led them to expect.

    The Windows trademark would be blemished, Microsoft argues, if consumers could not easily find the features that impelled them to purchase a Windows-equipped PC. At the same time that it has put forward this justification, however, Microsoft has permitted OEMs to deactivate Microsoft’s Active Desktop and its associated “channels” prior to shipment.

    More significant is the fact that Microsoft’s license agreements require OEMs to bear product support costs. So if a consumer has difficulty locating a feature that he wants to use, he will call a customer service representative employed by the OEM that manufactured his PC. Since only a few calls erase the profit earned from selling a PC system, OEMs are loathe to do anything that will lead to consumer questions and complaints.

    Therefore, if market research indicates that consumers want and expect to see a certain icon on the Windows desktop, OEMs will not remove it. Since OEMs share Microsoft’s interest in ensuring that consumers can easily find the features they want on their Windows PC systems, Microsoft would not have prohibited OEMs from removing icons, folders, or “Start” menu entries if its only concern had been consumer satisfaction.

    In fact, by forbidding OEMs to remove the most obvious means of invoking Internet Explorer, Microsoft diminished the value of Windows PC systems to those corporate customers, for example, who did not intend for their employees to browse the Web and did not want a browser taking up hardware resources.

    Incidentally, there is no merit in the hypothesis that OEMs might cause problems in the functioning of the rest of Windows by removing Internet Explorer’s desktop icon and program entry, because Microsoft still allows users to do exactly that.

  3. According to Microsoft, its restrictions on the ability of OEMs to insert programs into the initial Windows boot sequence are meant to ensure that all Windows users experience the product the way Microsoft intended it the first time they turn on their PC systems; after all, there would be little incentive to develop a high-quality operating-system product if OEMs were free to alter it for the worse before handing it over to consumers.

    This argument might be availing were it not for the fact that Microsoft currently allows several of the largest-volume OEMs to make major modifications to the initial Windows 98 boot sequence. Microsoft permits each of these OEMs to configure its own splash screens, tutorials, registration wizards, Internet sign-up wizards, and utilities so that they run automatically when the consumer first turns on a new PC system.

    Either Microsoft stopped caring about the consistency of the Windows experience in 1998, when it tempered its restrictions on modifications to the boot sequence, or preserving consistency was never Microsoft’s true motivation for imposing those restrictions in the first place.

    With all the variety that Microsoft now tolerates in the boot sequence, including the promotion of OEM-branded browser shells, it is difficult to comprehend how allowing OEMs to promote Navigator in their tutorials and Internet sign-up programs would further compromise Microsoft’s purported interest in consistency.

  4. Although Microsoft has tolerated a variety of OEM modifications to the Windows boot sequence, it has never acquiesced to an alternate user interface that automatically obscures the Windows desktop after the PC system has finished booting for the first time.

    In demanding the removal of such automatically loading user interfaces, Microsoft has postulated that consumers who purchase Windows PCs expect to see the Windows desktop when their PC systems finish booting for the first time.

    If consumers instead see a different user interface, they will be confused and disappointed. What is more, Microsoft asserts, OEM shells have tended to be of lower quality than Windows. One OEM’s version allegedly even disabled the ability of a Windows user to invoke functionality by clicking the right button of his mouse.

  5. The alternate shells that OEMs have developed may or may not be of lower quality than Windows. One thing is clear, however: If an OEM develops a shell that users do not like as much as Windows, and if the OEM causes that shell to load as the default user interface the first time its PCs are turned on, consumer wrath will fall first upon the OEM, and demand for that OEM’s PC systems will decline commensurately with the resulting user dissatisfaction.

    The market for Intel-compatible PCs is, by all accounts, a competitive one. Consequently, any OEM that tries to force an unwanted, low-quality shell on consumers will do so at its own peril. Had Microsoft’s sole concern been consumer satisfaction, it would have relied more on the power of the market — and less on its own market power — to prevent OEMs from making modifications that lead to consumer disappointment.

  6. At times, Microsoft has argued that the limitations it imposes on the ability of OEMs to modify Windows originate in a desire to prevent its platform from becoming fragmented, like UNIX. Microsoft believes that ISVs benefit from the fact that Windows presents the same platform for applications development, irrespective of the underlying hardware.

    Certainly, Microsoft has a legitimate interest in ensuring that OEMs do not take Windows under license, alter its API set, and then ship the altered version.

    This fact does not add credibility to Microsoft’s stated justification, though, for two reasons. First, Microsoft itself creates some degree of instability in its supposedly uniform platform by releasing updates to Internet Explorer more frequently than it releases new versions of Windows.

    As things stand, ISVs find it necessary to redistribute Microsoft’s Internet-related APIs with their applications because of nonuniformity that Microsoft has created in its own installed base. More important, however, is the fact that none of the modifications that OEMs are known to have proposed making would have removed or altered any Windows APIs.

  7. To the extent Microsoft is apprehensive that OEMs might, absent restrictions, change the set of APIs exposed by the software on their PCs, the concern is not that OEMs would modify the Windows API set. Rather, the worry is that OEMs would pre-install, on top of Windows, other software exposing additional APIs not controlled by Microsoft.

    In the case of alternate user interfaces, Microsoft is fearful that, if these programs loaded automatically the first time users turned on their PCs, the programs would attract so much usage that developers would be encouraged to take advantage of any APIs that the programs exposed. Indeed, one user interface in particular that OEMs could configure to load automatically and obscure the Windows desktop — Navigator — exposes a substantial number of APIs.

    Therefore, Microsoft’s real concern has not been that OEM modifications would fragment the Windows platform to the detriment of developers and consumers. What has motivated Microsoft’s prohibition against automatically loading shells is rather the fear — once again — that OEMs would pre-install and give prominent placement to middleware that could weaken the applications barrier to entry.

  8. Like most other software products, Windows 95 and Windows 98 are covered by copyright registrations. Since they are copyrighted, Microsoft distributes these products to OEMs pursuant to license agreements. By early 1998, Microsoft had made these licenses conditional on OEMs’ compliance with the restrictions described above.

    Notwithstanding the formal inclusion of these restrictions in the license agreements, the removal of the Internet Explorer icon and the promotion of Navigator in the boot sequence would not have compromised Microsoft’s creative expression or interfered with its ability to reap the legitimate value of its ingenuity and investment in developing Windows.

    More generally, the contemporaneous Microsoft documents reflect concern with the promotion of Navigator rather than the infringement of a copyright. Also notable is the fact that Microsoft did not adjust its OEM pricing guidelines when it lifted certain of the restrictions in the spring of 1998.

  9. Finally, it is significant that, while all vendors of PC operating systems undoubtedly share Microsoft’s stated interest in maximizing consumer satisfaction, the prohibitions that Microsoft imposes on OEMs are considerably more restrictive than those imposed by other operating system vendors.

    For example, Apple allows its retailers to remove applications that Apple has pre-installed and to reconfigure the Mac OS desktop.

    For its part, IBM allows its OEM licensees to override the entire OS/2 desktop in favor of a customized shell or to set an application to start automatically the first time the PC is turned on. The reason is that these firms do not share Microsoft’s interest in protecting the applications barrier to entry.

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