Today is Facebook’s ninth birthday. Meet the students who celebrated its birth — and find out where they are now.

Amie Broder

Broder, two years ahead of the Facebook founders at Harvard, went on to NYU Law School and a job at the law firm Simpson Thacher. She’s now an associate at Troutman Sanders, and in 2012, was named by Law & Politics as a “rising star” in tax law.

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Ada McMahon

McMahon lives in New Orleans, where she works as a media fellow for Bridge the Gulf, a group of citizen journalists collecting stories from the Gulf Coast in the aftermath of Hurricane Katrina. McMahon also blogs for The Huffington Post.

Billy Olson

Olson, the fourth roommate in Zuckerberg, Hughes, and Moskovitz's suite, was "an amateur thespian with an impish streak," according to David Kirkpatrick, author of The Facebook Effect. In The Social Network , Olson has the bright idea of comparing students to farm animals. While his friends all went on to become billionaires, Olson took time off from Harvard and never graduated, said a Harvard official. Still, he ended up making friends with a tight-knit group of younger students, with whom he is still close, according to a former classmate. Friends said Olson had become a firefighter in his hometown of Briarcliff Manor, New York.

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