Amazon Fresh stores are installing self-checkout after years of trying to get customers to use Just Walk Out tech

• Amazon Fresh is adding self-checkout to some stores, Bloomberg Businessweek reported.
• The company said some customer's aren't used to its Just Walk Out technology.
• Customers and retail workers say self-checkout has pitfalls, including making it easier to shoplift.

Amazon is planning several changes to its Amazon Fresh grocery stores. One of them is self-checkout, an already ubiquitous option at many retailers.