Facebook to developers: Help us destroy Snapchat

Mark Zuckerberg cares about a few things: his family (including his dog Beast), live video and VR, and destroying Snapchat. 
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The 32-year-old billionaire CEO made that clear in his keynote during Facebook's annual F8 developers conference. When most of the world was seeing flashing headlines on CNN about a man who leveraged Facebook to show off and confess to a murder, Zuckerberg talked about a future where augmented reality —