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In page Intel:

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During the 1990s, Intel Architecture Labs (IAL) was responsible for many of the hardware innovations for the PC, including the PCI Bus, the PCI Express (PCIe) bus, and Universal Serial Bus (USB). IAL's software efforts met with a more mixed fate; its video and graphics software was important in the development of software digital video,[citation needed] but later its efforts were largely overshadowed by competition from Microsoft. The competition between Intel and Microsoft was revealed in testimony by then IAL Vice-president Steven McGeady at the Microsoft antitrust trial (United States v. Microsoft Corp.).