though learning algorithms works each of those lines is like a you know six months to two years of work for a team of engineers and and we like these algorithms to be less work to build and also maybe perform better so let me start to explain some of these ideas using computer vision but and then I will talk about about audio and apply these albums other modalities as well so why is this problem hard right so obviously a motorcycle how on earth could a computer fail to recognize what this is zooming into small part of the