Sensing my delight at seeing his laptop, Tom asked me, "William, have you ever seen the Internet?""No."In a quiet conference room, Tom sat me down at his computer and explained the track pad, how the motion of my fingers guided the arrow on the screen."This is Google," he said. "You can find answers to anything. What do you want to search for?""Windmill."In one second, he'd pulled up five million page results-pictures and models of windmills I'd never even imagined.