I don't get this. I have personal business cards I give out when I want to hand someone my contact info (google voice # and email address). I don't get what I

I don't get this. I have personal business cards I give out when I want to hand someone my contact info (google voice # and email address). I don't get what I gain by paying this site $. Printing out business cards to carry around in your wallet costs about $8 plus shipping all over the net.