http://abetteruserexperience.com/2012/12/10-awesome-ux-blogs-youd-be-crazy-not-to-follow/
http://alistapart.com/
http://online-behavior.com/
http://www.uie.com/brainsparks/2013/01/29/uietips-devising-a-strategy-for-responsive-design/
http://www.nngroup.com/articles/
http://uxmag.com/articles/ipad-vs-iphone-a-user-experience-study
http://blog.usabilla.com/