Amazon Go

I wonder how they plan to deal with fraud... some kind of check-in process instead?

> With our Just Walk Out Shopping experience, simply use the Amazon Go app to enter the store, take the products you want, and go! No lines, no checkout. (No, seriously.)

Yes, seems like you check-in with an app.

I saw that, but it sounds vague enough that there a few different scenarios I can think of to attack this service. Like what are they going to do if multiple people are sharing an account, but they only have photos of one?

edit: I just realized how they can deal with that -- take a picture when the person walks in and tie it to the account they scanned. There still seem to be a bunch of fraud issues, but this is certainly interesting.