http://mashable.com/2012/12/11/responsive-web-design/http://viget.com/advance/responsive-design-an-overviewhttp://designsuperstars.net/40-examples-of-web-designs-optimized-for-mobile-browsers/http://24ways.org/2012/responsive-images-what-we-thought-we-needed/http://blog.netvlies.nl/design-interactie/retina-revolution/http://www.designfloat.com/blog/2012/12/03/mobile-website-emulators-testing/http://lab.maltewassermann.com/viewport-resizer/http://designerves.com/article/11-responsive-web-design-testing-tools/http://mobitest.akamai.com/m/index.cgi - mobitest – performance testhttp://www.netmagazine.com/opinions/stop-designing-fixed-viewportshttp://mobilehtml5.org/

device-widths:https://docs.google.com/spreadsheet/lv?key=0AoUAJWmYgaHHdHZZWWpPQkx4eHpBaUxna3dyMGkzLUE&pli=1 responsive email:http://www.webpronews.com/email-opens-are-on-the-rise-mobile-is-only-helping-2012-12http://stylecampaign.com/blog/2012/10/responsive-email-support/ fun:http://roxik.com/cat/