They should have one self check out machine that we can practice with. I'm getting much better at using the machines of the future, but still can use some improvement. I glance over at someone half my age waiting to use the machine I'm using, and see them smirk.

Research says the machines usage increased by two-thirds last year. The retail industry says millennials don't want to make small talk with a cashier, and older shoppers don't want to wait in line, especially if they only have a few items. But isn't the real reason self check out is growing and growing, to save labor costs?

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