Christian Hernandez says that we have to stop thinking about Facebook as a giant, and instead consider the network of Facebook as 900 million individual social graphs. As one of Facebook’s Directors of Platform, Hernandez has a unique understanding of exactly how viral growth works on the social network.

Hernandez shares some insight, a load of impressive stats and then talks about the launch of 12 new apps for Facebook Timeline in the video. It’s worth a few minutes of your time, for certain.

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