play millions of games per you can run it in parallel on lots of computers and so you can train which is to carry games to play go to play Starcraft dot you know whatever what kind of games and it's only due to the fact that you can run those games faster than we all-time on many machines if the machine had to run at the same speed as as we do which means real time play the games in real time it basically wouldn't be practical it would take about 80 hours for the best current algorithms to learn to play a single Atari game - level of performance