April 29, 2015 Defining Mobile: 4-5.5 Inches, Portrait & One-Thumb (Luke Wroblewski) Link: Defining Mobile: 4-5.5 Inches, Portrait & One-Thumb (Luke Wroblewski)
April 14, 2015 Accessibility and Low-Powered Devices (Brad Frost) Link: Accessibility and Low-Powered Devices (Brad Frost)
August 2, 2013 Techniques for mobile and responsive cross-browser testing: An Envato case study. Link: Techniques for mobile and responsive cross-browser testing: An Envato case study.