Twitter officially moved into their new pad in Market Square, San Francisco. Market Square consists of two art-deco buildings originally opened in 1937.
Even Twitter founder Jack Dorsey (@jack) stopped by the opening day party, tweeting ”Our outdoor rooftop deck,” with a photo. “Gorgeous.”Twitter is planning to increase its overall workforce from the current 800 people to some 3,000 within the next few years. In addition to the new San Francisco headquarters, Twitter also operates sales and engineering offices in New York, London and Tokyo, with plans to further expand worldwide. Paris offices opening soon ?!

You can see inside Twitter’s new headquarters, shot by in-house photographer @TroyHolden here

