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Facebook Open-Sources The Animation Engine That Powers Its Paper App

The history of Paper is closely interwoven with that of Push Pop Press, which Facebook acquired in 2011. The company had quickly made a name for itself in digital publishing thanks to its interactive eBook version of Al Gore’s Our Choice. Push Pop Press co-founders Mike Matas and Kimon Tsinteris went to Facebook to apply their knowledge of interactive design to Facebook’s own products and the result of that (after a few detours) is Paper.