User Interface
Misused mobile UX patterns
A great article for anyone creating or overseeing UI designs. Some very valid points raised here.
List thumbnails on mobile: when to use them and where to place them
Nice and simple article with some solid reasoning behind the suggestions.
Filtering and sorting best practices on mobile
A good collection of examples to take inspiration from.
Research
Empathy mapping for better digital experiences
A great guide for those wanting to collate and summarise their research findings or simply dip into empathy mapping
Usability test on Product Hunt for iPhone
A great in-depth case study on improving the mobile experience for Product Hunt.
Strategy
Design principles for reducing cognitive load
This article highlights some areas that slow down the mind's ability to figure out what's happening on a page and what we can do to address these potential issues.
Devices
Apple's failed retail revolution
It's seems that beacons aren't getting the usage that many predicted a few years ago
Tools
Getting started with Sketch
Anyone still creating UIs in Photoshop that hasn't at least tried Sketch should definitely have a read of this short article.