Stock-Asso / Shutterstock.com
Advertising Disclosure: When you buy something by clicking links on our site, we may earn a small commission, but it never affects the products or services we recommend. On the surface, the change seems harmless enough: Kroger plans to introduce electronic shelving labels that will replace paper labels on its grocery shelves. But two U.S. senators — Elizabeth Warren (D-Mass.) and Bob Casey (D…
