The Thumb Zone: Designing For Mobile Users — Smashing Magazinesmashingmagazine.com/2016/09/the-thumb-zone-designing-for-mobile-users/
If there is one thing that will stand the test of time, it’s thumb placement on mobile devices. This makes consideration of the "thumb zone", a term coined in Steven Hoober’s research, an important factor in the design and development of mobile interfaces.
LukeW | Designing for Large Screen Smartphoneslukew.com/ff/entry.asp
LukeW Ideation + Design provides resources for mobile and Web product design and strategy including presentations, workshops, articles, books and more on usability, interaction design and visual design.