If the JSX inline xml looks vaguely familiar, it's probably because they did the same thing with php (xhp [1]). One criticism about facebook, google, etc is th

If the JSX inline xml looks vaguely familiar, it's probably because they did the same thing with php (xhp [1]). One criticism about facebook, google, etc is that the greatest minds are being used to make people click more ads. But they're open sourcing some interesting things so it's not all bad. 1. https://github.com/facebook/xhp https://github.com/facebook/xhp