Chief Operating Officer of Facebook Sheryl K. Sandberg ’91 encouraged the Harvard Business School’s graduating class to keep in touch with one another using tools such as Facebook at its Class Day on Wednesday.

On Saturday, noted Harvard dropout and Facebook founder Mark E. Zuckerberg changed his relationship status to “married,” after tying the knot with Priscilla Chan ’07, his longtime girlfriend.

The juggernaut social media website Facebook was once the property of four Harvard classmates. On Friday, it will now be shared not four ways but more than 421 million ways.

I’m getting the overwhelming feeling that people generally resent the Facebook Timeline. Take this comment made by an acquaintance of ...

Pictures of eighth grade me do not need to be one click away. However, like a living record of shame, ...

Paul D. Ceglia, an entrepreneur who claims that he invested $1,000 to help get Facebook off the ground and was offered half of the website's future shares in return, filed a lawsuit in 2010 against Mark E. Zuckerberg with alleged email exchanges as proof. Zuckerberg's lawyers, in return, recently released emails that the famous Harvard-dropout wrote during his time in Cambridge in an attempt to disprove these claims.

Facebook co-founder Christopher R. Hughes ’06 announced Friday that he had purchased a majority stake in The New Republic, a magazine owned and edited for 35 years by former Harvard lecturer Martin “Marty” H. Peretz.

Before Linsanity swept the nation, Jeremy Lin '10 was just like us, posting insights about his personality and day-to-day life on Facebook. But Lin has recently switched his Facebook to the new timeline format, and apparently taken down all his public statuses from before Feb. 24. Fortunately, Flyby scooped some of Lin's best status updates from 2011 before he made it big.

Social media websites have had a transformative effect both on authoritarian regimes during the Arab Spring and on current American electoral politics, said journalists and technology advocates on Wednesday night in Kirkland House, the birthplace of Facebook.

You know Harvard is getting desperate for some social media publicity when it publishes an album of ready-to-download "Facebook Timeline Cover Photos" ranging from the Weld Boat House to Jeremy Lin in his Harvard uniform (do we finally have a mascot?!).