Windows XP
Finally, consumers got the same, more-reliable Windows software as their corporate brethren in Windows XP. But the product was dogged by controversy: Launching not long after Microsoft's landmark antitrust trial, the product contained links to other Web services that critics said were designed to help Microsoft control the Internet the same way it dominated PC software. XP also launched just weeks after the Sept. 11 terrorist attacks. Microsoft had to pull a planned marketing tagline, "Prepare to Fly," in light of the suicide airline hijackings.