Just found this and it looks like a really cool concept.
Hey, devs, PaeDae’s Bartr turns advertising into a free service | VentureBeat
Hey, devs, PaeDae’s Bartr turns advertising into a free service | VentureBeat
Does advertising always have to operate within a pay to play model? Paedae doesn’t think so, as it’s just announced a new platform called Bartr that developer can use to start advertising their mobile apps or games without spending a dime.
Bartr operates on a series of credits. Developers that run ads within their own apps and mobile games will earn credits, and they can use these to advertise in other applications at a targeted demographic.