6 ms·... and serving Instagram to the world...by polotics 7y ago... and serving Instagram to the world...pjmlp 7y agoI seriously doubt it is pure Python.polotics 7y agoRead up on it, very interestingpjmlp 7y agoThen you should check their engineering blog, as they have ported some of the critical services to C++. Additionally none of their mobile apps is written in Python.