In case you missed it, Groupon, founded by a University of Chicago Public Policy grad student, Andrew Mason, brought in more than $760 million in revenue in 2010. From the WSJ (sub required):
Daily deals website Groupon Inc. saw its revenue surge to $760 million last year from $33 million the previous year, with more than a third of its 2010 sales coming from outside the U.S., according to an internal memo.The email, sent by Groupon Chief Executive Andrew Mason to staffers in early January, also reveals the founder’s grand ambitions for the company he started three years ago. Mr. Mason writes that he hopes to achieve “billions in revenue” in 2011.
Here is story on their revenue from Chicago Business and here is an article claiming their revenue is approaching $2 billion a year!
Campus Entrepreneurship 