The method can stop thieves in two ways. Those who copy down your credit card information will find that your account number and expiration date is not enough to place an order. And those who actually steal your physical card will find that they still don't know your pin.

While the cards house a 3-year battery, we're just hoping that they can stand up to a good pocket sweat. Because when we're roasting away in the summer sun, we need ice cream money to floweth from our plastic like a refreshing, icy deluge. [ITPro via gadgetell]

The Mobile ID Reader boasts an 8GB capacity, so when hackers crack the “encrypted formats feature,” they'll have access to tons of personal and privileged data. Other features include a sunlight-safe touchscreen and a capacitive fingerprint sensor. The device is meant to be used by authorities at event checkpoints, like its first tryout at the Euro Cup 2008 soccer tournament, but it shouldn't be long before you see it at your local Trader Joe's, checking up on the hippies. [Wired]

Oh, you'll pay for this indirectly; merchants will have to pay for these little trinkets, too—but at least the mini-RFID transmitters will further speed up purchases under $25 that used to require the exchange of filthy, dangerous cash. Never mind that we had a device similar to this stuck to our car's rear window to pay for gas ... eleven years ago. [Geek Zone]