Because of EMV, you won't sign credit card receipts anymore after about October 2015

[youtube http://www.youtube.com/watch?v=RfriBE4V_KU&w=600&h=315]

The world of paying for things hasn't adopted new technology as fast as you might think; there's an intermediate-level likelihood that within the next 25-50 years, you can simply swipe the back of your wallet against a device and it will read the cards inside and boom, you're out of the sup…