# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2010-04-26 13:13:03 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/12881998594) RT @edent: Tesco uses QR codes - how much more mainstream do you want? RT @techfortesco: http://bit.ly/bQvDL0