Meet The Fastest Growing Company Ever

Andrew Mason figured out how to inject hysteria into the process of bargain hunting on the Web. The result is an overnight success story called Groupon.

At least Mark Zuckerberg wrote a few lines of computer code at Harvard before he left to launch Facebook. Now Andrew Mason, a relaxed and lanky 29-year-old music major from Northwestern, has managed to build the fastest-growing company in Web history.