QR codes make it possible to scan an image with your phone’s camera to open a link. In the early days of Android, the easiest way to post links to Android apps was with QR codes, which is why older ...

Avoid downloading third-party apps to scan QR codes.

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 ...

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