On: Spurred by Amazon, Supermarkets Try Swapping Cashi...

[tylerhou]

But how do you distinguish between someone stealing versus someone leaving and paying through the app in their car?

[chongli → tylerhou]

That no longer falls under the purview of the small, independent cafe on the honours system.

I'd say, in a cafe, besides cash you could have a touchscreen to key in your order and tap your phone to pay. The walk in walk out Amazon model is not an honours system, it's a technological policing model.