Here is a brief description of the video: A young man is paying for his groceries at a self-checkout in a Sainsbury's supermarket

Here is a brief description of the video: A young man is paying for his groceries at a self-checkout in a Sainsbury's supermarket. He holds up his iPhone showing a Visa payment screen, then uses it to tap the payment terminal. The total amount is £19.49. He looks at the camera while the terminal displays "Please wait..." on the screen.