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Some Walmart employees say customers are getting hostile at self-checkout — and they blame anti-theft tech
(www.businessinsider.com)
This is a most excellent place for technology news and articles.
The supermarket I use here in the UK has an app that uses my phone's camera to scan the barcodes on items. Same as the handset, but I don't have to pick up a handset that's been handled by another disgusting human.
As a rule, it'll only trigger a "Quality Check" if a couple of products don't scan first time. Then it'll trigger a check for the next couple of shopping trips. Assuming I didn't miss anything, after that it'll settle down and almost never require any verification unless I've bought age restricted items.
If I'm doing any weekly shopping, I will always use the app, because it's SO MUCH QUICKER.