A physical card is great, but why a static number on the card? Why expose yourself to skimming with a static card number, all these advances in cryptography an

A physical card is great, but why a static number on the card? Why expose yourself to skimming with a static card number, all these advances in cryptography and we are keeping a 16 digit number on a piece of plastic and sending out new ones when someone knows those 16 digits and a date. I am surprised things like this havent picked up: http://arstechnica.com/gadgets/2012/01/the-credit-card-that-may-stop-or-at-least-hinder-on-and-offline-fraud/ http://arstechnica.com/gadgets/2012/01/the-credit-card-that-...