Here in oz tap-to-pay is the latest thing. You just tap your card on the device and the payment happens - no signature, no nothing. It's valid for purchases up to $100 and it's brilliant. Paying for your cab is just a quick tap and you are gone, none of this printing receipts for you to sign, or having to member PINs.
Of course it's susceptible to theft etc, but clearly it's not such an issue for the banks or they'd not all be tripping over themselves to roll it out everywhere.