The year was 1991. The nation’s movie lovers flocked to see Naked Gun 2 ½: The Smell of Fear (and after demanding their money back, took in The Silence of the Lambs). In pop music, C&C Music Factory promised to make us sweat, Madonna pledged to justify her love, and Bonnie Raitt gave us all something to talk about. In the IT world, Linus Torvalds (no, not the guy from Peanuts waiting for the Great Pumpkin) launched the Linux operating system kernel, while Bill Gates and friends released MS-DOS 5.0. And something else happened in 1991 that changed, well, everything:...