I got a behind-the-scenes look at Walmart's new digital price tags that are sparking controversy

Walmart is switching from traditional paper price tags, as shown on the right, to electronic shelf labels, as shown on the left. Dominick Reuter/Business Insider Walmart is rolling out digital price tags in its US stores, and public reaction has been mixed. I visited two locations to see how the tech works for employees and customers. The change for shoppers is small right now, but the tech could lead to some interesting improvements. A big change is afoot at Walmart, and some shoppers are ...