With some illegible scrawl at the bottom that could have said £55.63 or £515.63?

Now you put your card in a little box which often isn't even connected to a telephone line and you input a 4 digit code and the box communicates directly with your bank and does the whole paying thing there and then.

I mean, obviously you know that. I'm just saying. It's a remarkable change in technology inside 20 years.