we already could win, for the first time, medical imaging competitions. What you see behind me is a slice through the female breast and the tissue that you see there has all kinds of cells; and normally you need a trained doctor, a trained histologist who is able to detect the dangerous cancer cells, or pre-cancer cells. Now, our stupid network knows nothing about cancer, knows nothing about vision. It knows nothing in the beginning: but we can train it to imitate the human teacher, the doctor. And it became as good, or better, than the best competitors.