Buzz·Posted on May 18, 2012A Look At Mark Zuckerberg Over The YearsOn the day of Facebook's IPO, I thought it would be nice to take a step back and take a look at the CEO since he started Facebook in 2004. UPDATED.by Samir MezrahiBuzzFeed StaffLinkFacebookPinterestTwitterMail 2004 2005 2006 2007 2008 2009 2010 2011 2012 UPDATED: 2013 UPDATED: 2014