Facebook is maybe not the best example. Remember, they did end up writing about 3 different implementations of PHP because of their scale. If anything, their case shows that they threw enough money at it to make it work.

> they did end up writing about 3 different implementations of PHP because of their scale.

And each of those implementations is PHP. It is open source and is available to the public. I am working on integrating it into my stack.

> If anything, their case shows that they threw enough money at it to make it work.

I thank them for their money and will now apply their hard earned work.

What other language has that kind of commitment behind it?