QR codes are everywhere these days, from being printed onto receipts to chiseled into granite tombstones. [Will] came up with a way to modify existing QR codes, and his hack has the potential to ...

Recently [mit41301] wondered about increasing the data capacity of QR codes, and was able to successfully triple the number of bits using color. He chose the new rectangular micro QR code (rMQR ...

Business cards, particularly when elevated with QR code, still serve a powerful role in establishing one’s identity and ...

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.

Google is aiming to dump SMS as a two-factor authentication method for Gmail and switch to a more secure approach using QR codes.