was 2011 so computers were about 20 times more expensive than today today we can do 20 times as much for the same price and and that was already good enough to do superhuman traffic sign recognition which is important for self-driving cars and ten years ago five years ago when computers were about ten times more expensive than today they were already fast enough to make us win these medical imaging competitions what you see behind me is a slice through the female breast tissue and our network which started as