The differences between responsive and adaptive design approaches spotlight important options for us as web and app designers. Choosing with insight can empower you to plan and execute your designs with better aim, purpose and results.

In a distracted environment, the best form of smartphone interaction is a high-speed, easy-to-use one. Luke calls the typical mobile usage a "one thumb, one eyeball" experience, since the highly distracted environment causes most mobile users to engage in one-handed use with short spans of partial attention.