Building the thing called Facebook, to be sure, but also building Oculus VR, Onavo (data collection company), WhatsApp, Instagram, Messenger, as well as their o

Building the thing called Facebook, to be sure, but also building Oculus VR, Onavo (data collection company), WhatsApp, Instagram, Messenger, as well as their open source stuff like React, Flux, Relay, and myriad other JS/Haskell/OCaml/C++ projects, and don't forget the people building out Internet.org and content for Facebook Watch.