Wal-Mart produced ~$15B in cash flow in 2019. They also lost ~$5B to theft/shrinkage. If eliminated, cash flow would increase by >30% or the equivalent of an incremental ~$100B in sales.
Automation is discussed extensively, but the potential benefits of machine vision are 
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Getting customers to come to you in lieu of providing last mile distribution is a pretty good value proposition, as long at they pay for what they take.
Sure but ecom will arrive before robots can prevent meth heads from stealing stuff.
