Imagine paying for your meal just by moving your lips. In China a KFC has installed a machine that does just that. It recognises your face and then takes the money out of your bank account. But certain problems come with this, if you had an identical would it be able to tell the difference. Lots of jobs will be replaced by this new technology. In a lot of fast food/food on the go restaurants, people select their food using technology which already reduces the number of jobs.