ST. LOUIS — A walk through the campus of Washington University sparked the idea of a startup for Ethan Weilheimer. During that walk, Weilheimer found a pair of AirPods in a field on campus. With no ...

What if your lost stuff could find you? Two local companies, GoCodes and FinderCodes, make this possible via scannable tags their customers can affix to their pets, luggage and other belongings. If ...

A set of QR tags that businesses attach to posters, ads and demo models for promotion. Users with smartphones scan the tags for more information. Like any barcode, QR codes are customized for a ...

[Thadd Brooks] is a geeky dad of the highest degree. His kids are constantly trying to figure out what mom and dad bought them for Christmas, while he continues to think up ways to stymie their ...

Petroleum giant ExxonMobil Corp. is adding QR code and near-field communication-enabled tags to its fuel pumps for consumers using Apple Pay or Google Pay. ExxonMobil says more than 11,500 U.S. Exxon ...