mark zuckerberg

Attendees at the Facebook f8 keynote on Thursday got a special treat when ‘Saturday Night Live’ star Andy Samberg took the stage and did his finest Mark Zuckerberg impression.

Facebook founder Mark Zuckerberg is known for setting random personal challenges for himself and successfully completing them. Last year, for example, he pledged to master Mandarine Chinese. This year, the 27-year-old CEO has one-upped himself by vowing to only consume meat in which he's killed himself.

With the release of the movie "Social Network" today on DVD here's a quick little YouTube that explains the impact of facebook .  The numbers are a little out dated, but the facts are still pretty impressive.