Yes, this is what big shops, particularly in America, have now been doing for a few years, in that the till that takes your order as it were is also a computer terminal on line to large computers somewhere else, and every time your tin of baked bins is checked out by the girl on the till, it is adjusting the stocks on its large computer and saying, ‘Hey, we're going to run out of baked beans at approximately ten o'clock tomorrow morning.