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 ...
If you've spent any time using a smartphone, you've likely come across QR code stickers, letting you redeem a coupon or get some snippet of information. Mercedes-Benz plans to start putting such codes ...
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 ...
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