Instagram is rolling out QR codes all users can generate, which open their profiles. These QR codes can be scanned from any camera app, and not just Instagram. The new feature could be especially ...

The app’s top players each regularly scan hundreds of QR codes daily, so Qriket is showing that it has come up with something that’s sticky and addictive.

You can easily activate your Cash App card using a QR code or the information found on your card in the Cash App.