I started going down the "business cards are useless" path, but then I thought of a way to make my cards more valuable: I put a coupon for using our service on the back side. Here's pics of front and back: https://plus.google.com/u/0/photos/112838119585811037366/alb...
P.S. Feel free to use the coupon code if you want.
P.S. Feel free to use the coupon code if you want.