Uber's CEO Travis Kalanick has been under a lot of pressure lately. So this past weekend, he took a night off and went out to celebrate Dropbox CEO Drew Houston's birthday. Oh, and Mark Zuckerberg was there too. We're not sure if they offered leadership advice, but we do know they played some pong.
Dropbox CEO Drew Houston celebrated his birthday party at Spin's "Babes and Balls" party last Friday night in San Francisco: