Probably better to link to the original article instead of a summary: https://www.facebook.com/notes/facebook-engineering/n/10150888759153920 https://www.facebo

Probably better to link to the original article instead of a summary: https://www.facebook.com/notes/facebook-engineering/n/10150888759153920 https://www.facebook.com/notes/facebook-engineering/n/101508...