In 2012, Zuckerberg hosted "World Hack Moscow" and gave prizes for figuring out how to mine Facebook friends' data
by Cory Doctorow from on (#3S0R4)
https://www.youtube.com/watch?v=qsae8f0Ajv0
Mark Zuckerberg himself hosted World Hack Moscow, a hackathon in October 2012, handing the mic to Facebook product manager to Simon Cross, who walked the developers through the process of using Facebook's API to gather data on a users' friends, showing them how to get "a ton of information" on the entire friend graph of a Facebook user who gave simple permissions to their apps. (more")