QR codes are everywhere these days ... If a Hack A Day reader figures it out, send in the code on the tip line and we’ll put that right up.

The QR code (short for Quick Response code) was invented in 1994 by Denso Wave, a former subsidiary of Toyota, as a means of efficiently tracking vehicles and parts during the manufacturing process.

The name “QR code” was officially announced on Sept ... The tQR code came in existence on the Toei Subway Line in Tokyo in 2019. Resistant to rain and light reflection, the code specifically ...