There are folks using Hack (e.g. http://hhvm.com/blog/6005/hack-community-roundup-3 http://hhvm.com/blog/6005/hack-community-roundup-3) and there are some other

There are folks using Hack (e.g. http://hhvm.com/blog/6005/hack-community-roundup-3 http://hhvm.com/blog/6005/hack-community-roundup-3) and there are some others in the pipe that will be detailed later on.