The spread of electronic shelf labels in grocery stores has raised alarms among U.S. lawmakers and consumers who fear they could unleash surge pricing in the aisles https://t.co/vxaqrJqJXl ...

The spread of electronic shelf labels in grocery stores has raised alarms among U.S. lawmakers and consumers who fear they could unleash surge pricing in the aisles https://t.co/6b4aOXVbBQ ...