That’s right, a new vending machine uses vein-reading technology to charge you for products, rather than the traditional coin slot or credit card reader. One caveat: “the system exploits your identity a bit in the process, using age and gender information on file to display an appropriate video ad while you enjoy your refreshment.”

Hitachi’s proprietary biometric authentication system requires that users first register an account, but it allows one to purchase, say, a delicious can of green tea by inserting a cautious hand into a machine for a quick scan.

[via Gizmodo]