Currently, Google sends SMS codes for two reasons: to confirm that a new login is legitimate and to block spammers from opening Gmail accounts in bulk. You type in your credentials, and a moment later ...

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 ...