Yowza is basically an app that lets you find coupons to stores and restaurants while you’re out and about. It uses the iPhone’s GPS system to tell where you are and then pops the coupons up for vendors to accept. You can download it here. Like Demi Moore’s husband before him, Grunberg is a co-founder of the service and is currently populating the system with coupons from various vendors. I doubt, however, that he is canvassing Los Angeles neighborhoods for advertisers, so don’t go looking for him. Anyway, he’ll just stare at you, the camera will tilt-shift a little, he’ll say “All Clear!,†and then he’ll just disappear, so it won’t help anyway. You have to see the interview, This dude seems very cool On CNN (YouTube) The nice interview (on HD) Article source