Mar 2nd, 2017
Meet the AI Tennis Ref That Can Be Bought for $200
French inventor Grégoire Gentil has designed a $200 GoPro-size device that can be fastened to any tennis net post and detect whether balls are in or out with surprising accuracy. It’s called, reasonably enough, the In/Out. Gentil now lives in Palo Alto and built the In/Out in his living room lab. (Source: Bloomberg)
