Shopping at the supermarket today reminded me of the old gag about watching your job or you will be replaced with a computer. Pictured above is the latest addition to the checkout lines in Japan's Jusco chain, the DIY register.
Hook your bag onto the holders (bottom left) and then scan in your items yourself and pay. The holder weighs your bag it seems, and then check for the weight of all that is being scanned to make sure you are not being a cheeky tea-leaf.
The whole operation of about 14 machines is monitored by 2 staff.