Not a real explaination, but a nice summary of the developments at valve. the most interesting part is the breen grub, written by Marc Laidlaw. https://twitte

Not a real explaination, but a nice summary of the developments at valve. the most interesting part is the breen grub, written by Marc Laidlaw. https://twitter.com/BreenGrub https://twitter.com/BreenGrub