Self-ordering at Saizeriya
Self-ordering at Saizeriya
https://gyazo.com/f0fdf02fdcf26c21eb2c3af919e3def6
Assuming you have a camera phone
If you don't have it, they want you to ring the bell.
https://gyazo.com/1e2f14481365ee079aea91d36d3c9079
https://gyazo.com/4bcf5fc29b16bb03cb921eb9ba35e979
https://gyazo.com/1a9380c4f29760c05da84847b6e1812f
convenient
https://gyazo.com/dd7348fa837fa23be41c391d2cd8bb94
https://gyazo.com/1fa8416459f468d42ed096124beebad1
Press the checkout button to get a barcode to show at the cash register.
Why push the checkout button when you can go to the cash register and pay?
The screen here flickers and updates.
So the QR code is one-time and destroyed by the checkout button.
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