Great, thanks! It does seem like they might be using something like this for social graph. Somebody gave neat explanation on Quora [1] [1] https://www.quora.co

Great, thanks! It does seem like they might be using something like this for social graph. Somebody gave neat explanation on Quora [1] [1] https://www.quora.com/How-has-Facebook-modeled-its-social-graph/answer/Michael-Frederikse-1 https://www.quora.com/How-has-Facebook-modeled-its-social-gr...