imagine a future where restaurant grade tables themselves have some sort of QR code where you can βjust leave the money on the table and walk outβ
One underappreciated feature of cash is that you can just leave the money on the table and walk out.
Discussion
Amazon tried that with stores
I like the dash cart π https://www.aboutamazon.com/news/retail/amazon-dash-cart-new-features-whole-foods
I have already seen a version of this with QR codes on receipts to pay