After Facebook's IPO this morning, Mark Zuckerberg joined the elite ranks of American billionaires. It’s a little fun to compare the poised businessman of today with the exuberant young man discussing Facebook's relationship status feature in this 2005 video.


Photo: Guillaume Paumier/Flickr

Watch: Mark Zuckerberg circa 2005
One of the nation's newest billionaires has come a long way since this 2005 interview.