I'm not much of a tennis player, so I don't know if this is a great idea or not. But one of the many reasons I don't play a lot of tennis is that I don't enjoy stooping over to pick up the ball a few hundred times per match. Read the rest

http://feeds.boingboing.net/~r/boingboing/iBag/~3/FiSfwkdMSak/concept-for-a-tennis-ball-pick.html