“Since this particular promotion / contest has such a high prize ... users of the Macy’s app must scan the in-store QR codes during doorbuster hours to enter the instant win experience.

While WhatsApp users can currently share their channels using a link, the platform is now adding more advanced sharing options, including the ability to generate QR codes. Also read: OnlyFans star ...

QR (or Quick Response) codes are now commonly used for a range of purposes, from viewing menus at restaurants and cafes, to product packaging and returns. The technology isn't exactly new (these ...