QR codes are cool, but they haven't quite caught on en masse yet, because finding cool uses for them have been challenging. One popular use for QR codes is printing them on business cards. Sharon ...

iPhone (iOS 11 or later): Launch the Camera app, frame the QR code, and tap the notification. The Control Center can have a feature for even faster access to scanning. This article explains how to ...

is a reporter with five years of experience covering consumer tech releases, EU tech policy, online platforms, and mechanical keyboards. Being able to add contacts via QR code is one of the more ...

If you buy something from a Verge link, Vox Media may earn a commission. See our ethics statement. It’s a minor feature, but adding contacts on WhatsApp can be a pain. At the moment, the service ...

Used creatively, this technology can expand the ways you reach customers. Many, or all, of the products featured on this page are from our advertising partners who compensate us when you take certain ...