A prepaid gift card may not be the proper substitute for a well-chosen present, but at least the beneficiary will have an easier time using it online this Christmas. That's because PayPal now supports such cards, meaning they can be used at any online emporium signed on to its Checkout platform -- and that's quite a few, we're told. PayPal says prepaid cards with no associated billing address sometimes create problems when that part of the payment form pops up, which i
