that actually they release the code and they made the code such that it is super duper efficient even like on a single machine and that was very cool because you know being Google they could have just released code that is very efficient on a distributed data center and they didn't do that so that this is it's sort of not really like today anymore or like today when they release code it's always you need you need like 50 cloud TP use to do it and it's still cool that they release code but this was this was really a step