Most supermarkets here are switching to portable scanners instead of (self-)check out. Grab a scanner when you walk in, scan every item as you take it off the shelf, place it directly in your bags in the cart. Replace scanner at the exit and swipe card. Takes 10 seconds tops. Place bags directly in car, no need to take everything out of the cart again at checkout.
Having to actually wait for someone to manually scan your shit annoys me to no end now, even worse when there are others ahead of you.
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