Three Short Links – December 28, 2011

QR codes:

1. What they are and technical specs…: http://code.google.com/apis/ chart/infographics/docs/ qr_codes.html
2. …how to customize…: http://contentdeveloper.com/ 2010/01/how-to-customize-qr-codes-with-your-brands-identity/
3. …or have someone customize for you: http://www.customqrcodes.com/