As digital tags take over Chicago grocery aisles, paper price tags are quickly disappearing.

The growing use of digital price tags at Walmart and other big US retailers is stirring fresh anxiety that prices on ...

Walmart has been rolling out digital price tags across the US. I visited two stores to see how the tech works for employees and customers.

A group of design graduates from London's Royal College of Art have come up with a way to make RFID tags entirely from paper, with no metal or silicon components in a bid to cut down on waste from ...