Comment: They've been successful in my State.

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In reply to comment: Maybe but... (see in situ)

They've been successful in my State.

The grocery stores in my State have had cashierless checkout lines for years and are doing just fine, heck we've even got fast food places here that have no cashiers and are also doing just fine. Maybe they only failed in certain states for reasons that are less clear or in grocery stores with unions.

“Politicians are like diapers; they need to be changed often and for the same reason.” ― Mark Twain

"Give a man a gun and he can rob a bank. Give a man a bank and he can rob the world."