International Business Machines: Tap appeared in two TV ads as "spokesrockers" for IBM in 1996. Although accused by some fans of selling out, David says "A very wise man once said, ‘The time to sell out is when you’ve found a buyer.’ " Derek: "For those who think we’ve sold out, keep in mind that IBM had to change a great deal of its software code to meet our specifications." See also Goat Boy.