Amazon’s Move Signals End of Line for Many Cashiers

But it has become increasingly clear that parts of every job will be automated — and that the service sector is next. Although certain service jobs like health aide or preschool teacher still seem safe, others, like those in retail and food service, are already being displaced. It’s not hard to teach a machine to do routine tasks like scanning bar codes, stocking shelves or dunking fries in oil.

Eight million people, 6 percent of American workers, are retail salespeople and cashiers, according to the Bureau of Labor Statistics. Cashier jobs are expected to grow 2 percent by 2024, significantly slower than 7 percent job growth over all, and technology is the main reason, according to the bureau.

Half the time worked by salespeople and cashiers is spent on tasks that can be automated by technology that’s currently in use, according to a recent McKinsey Global Institute report. Two-thirds of the time on tasks done by grocery store workers can be automated, it said. Another report, by Forrester, estimated that a quarter of the tasks salespeople do would be automated this year, and 58 percent by 2020.

Estimates like these are guesses at best, because imagining the future is an act of science fiction. And even when technologies exist, companies adopt them slowly. That’s one reason productivity isn’t increasing at the rate economists might expect, even though more work is able to be automated. But there is evidence that retail jobs are transforming rapidly.

Look no further than the Amazon Go store. It has no cashiers or checkout lines. People scan their phones to enter, and sensors with computer vision monitor what they put in their carts. When they leave, they are automatically charged for what they have bought. Amazon calls it “just walk out technology.”

Amazon Go is open only to Amazon employees for now, and has reportedly had problems during its testing phase, particularly when the store is crowded. But the…

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