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The Self-Checkout Nightmare May Finally Be Ending
(gizmodo.com)
This is a most excellent place for technology news and articles.
See my comment here for my recent revelation. In short: the problem isn't with self checkouts, it's that the stores you're going to aren't maintaining them well.
To shoppers, that is a distinction without difference.
Except that the big companies can use that misconception to shuffle the rightful blame around so you don't focus it in the right place.