Army wants a QR code system to replace the paperwork of a new duty station

The Army is building new digital tools to help its human resources personnel sign soldiers into new stations or assign troops ...
ExtremeTech on MSN

Google Messages Now Lets You Verify Chats with QR Codes, Block Scam Links Automatically

Key Verifier uses QR codes to authenticate encrypted messages. To use it, users open a conversation in Google Messages, tap a ...

I used 14 secret codes to unlock menus of settings on my iPhone and Android - how it works

ZDNET's key takeaways Use these codes to forward calls, pay your bill, check balances, etc.Some of the codes work only on certain carriers or devices.One of the codes also might erase your data, so ...
IEEE

Student Attendance System Using QR Scan

Abstract: User preference is shifting away from desktops and laptop computers and towards smartphones. Using smartphones to expedite university teachers' attendance taking procedures would reduce ...