Hot Hardware: Wow, it's actually happening. If you'll recall, reports were flying last year that IBM's supercomputer, a guy by the name of Watson, would one day appear on one of the most famed game shows in the history of television: Jeopardy!. After two years of development and another year of tweaking, Watson is now starring in a Jeopardy! competition video on the world's most famous video viewing portal. What is YouTube?