213 ms·YouTube was written in Python. Just wanted to add a unique (and possibly non-obvious) data point.by hallmark 16y agoYouTube was written in Python. Just wanted to add a unique (and possibly non-obvious) data point.pbiggar 16y agoIn a similar vein, Google is largely written in C++.ldng 16y agoOriginally AdSense too was Python/MySQL. Nowadays I don't know.