GREENSBORO, N.C. — You see QR codes in restaurants, parking lots, and just recently on a flyer about pet microchips. The flyer is being reposted all over social media, even on the WFMY page, after ...

Thanks to the pandemic, QR codes have popped up on ad posters, restaurant tables, and billboards around the world, inviting people to scan them in order to view menus and marketing information without ...