Startup Idea : Living Room Gallery Network

This one is for cities with lots of artist (and probably high real estate prices): Why not have a network, were artists invite people to their homes or ateliers? They could set a specific time, insert free of charge. The users could have the benefit of seeing art, maybe socialize, and see places of the city which normally they wouldn't. For the users there would be a small charge or it could be ad financed. The artists would have the opportunity to get known, sell their art, socialize or simply live out their exhibitionism.