smartphone/location-based ... e.g. "these 3 single women are at o'malley's pub. want to meet one?" solve chicken and egg by giving the women free drinks or foo

smartphone/location-based ... e.g. "these 3 single women are at o'malley's pub. want to meet one?" solve chicken and egg by giving the women free drinks or food when they get to a place. this helps the dating network AND the bar by attracting more people to both.