[puzza007]

I'm not sure that would provide any advantages over Erlang. There's a nice discussion here:

http://erlang.2086793.n4.nabble.com/node-js-compared-to-erla...

[okaramian]

There is also the issue of Facebook chat being rolled out in 2008, which I'm assuming Node.js didn't exist by. Node.js would need to provide a significant gain in order to justify refactoring that system.