There are tons of ways to transfer data from the real world to your phone, and QR codes are one of them. This nearly 30-year-old technology comes in clutch today, and it’s pretty simple to use.

If you find it inconvenient to share your Android phone’s hotspot details manually, you can create a QR code that others can scan from their devices to connect to your hotspot. It's easier than you ...

If you’ve had trouble scanning QR codes on your Android, perhaps on a wall across the room, Google’s testing a new feature with developers that could make scanning from a distance easier. If you’ve ...