Walmart scan and pay

Walmart is expanding its scan and go self-checkout technology in Canada and it will soon be available to more than 20 stores in this country, according to a CBC report.

The number of self-checkout machines in stores is growing rapidly. According to RBR,  at the end of 2016, there were 255,000 self checkout stores around the world and that number is expected to reach 400,000 by 2022.

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