br Groupon Detroit, Living Social &br Foursquare now have a new daily dealbr social couponing network to compete br with.br br It's called FlutterBuck. Flutterbuckbr is a new, daily deal network that offers br cash rewards for referring other people br to group buys.br br This makes FlutterBuck, very differentbr than Groupon, Foursquare or Living Social, br by giving cash rewards for referring others br to group buys and daily deals in Detroitbr Michigan, and surrounding regions.