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Re:“Just walk out” technology by Amazon by gok on Monday March 09, 2020 @01:01PM (#22527042)
Self checkout works ok until:

1. A customer born before 1968 or so shows up

2. The scale's state machine gets corrupted ("UNEXPECTED ITEM IN BAGGING AREA")

Both of which end up needing more retail labor than a traditional checkout line.

Re:“Just walk out” technology by Amazon by vsskanth on Monday March 09, 2020 @01:24PM (#22527340)
How would this person in case 1 feel about not knowing what they're being billed for when they walk out ?
Re:“Just walk out” technology by Amazon by gok on Monday March 09, 2020 @04:03PM (#22529172)
I think just having an employee explaining "just leave, we'll send you a bill" would be pretty fast, and wouldn't hold up the queue for people who know what's going on.