My first thoughts: 1. you need to explain it - it is not obvious for the user. That's bad if you hand someone o card and need to explain it 2. if this is a gu

My first thoughts: 1. you need to explain it - it is not obvious for the user. That's bad if you hand someone o card and need to explain it 2. if this is a guy to hand this card to the girl it sounds a bit like: a) I am geek using this service b) I am not confident to give you my phone number. Are these advantages in dating game?