Very interesting concept. Initially i dreaded the idea of having to pay up just for using my own phone, but my friends and i grew into it. We socialized more and also look forwarded to seeing which scapegoat had to succumb to the temptation of using their phones. Perfect for nights out or a drink at a bar, stops people from using their phone and indulge in more meaningful conversations overnight. Didn't expect that. Now and then i managed to get free drinks due to a particular friend using their phone constantly and hiking up their offenses :P Changes the expectations of a night's out, recommended to give it a shot!