> He entered the card number and exp. date, but then left the shopping cart, without completing the transaction I do that somewhat often, for sites that don't

> He entered the card number and exp. date, but then left the shopping cart, without completing the transaction I do that somewhat often, for sites that don't reveal shipping charges and other components of the "final price" until the end. Sometimes at that point I'll change my mind. Never been charged, fortunately, but I have worried about the possibility.