Ha. I stopped doing this in 1993. I only had one person every complain, a cashier at CompUSA in 1994-ish. He wouldn't accept it until I signed the back of the c

Ha. I stopped doing this in 1993. I only had one person every complain, a cashier at CompUSA in 1994-ish. He wouldn't accept it until I signed the back of the card so I wrote "Please check ID" instead of signing it. He was fine with that.