Use of mobiles around the world, per country, per type of use

Evaluator effect in usability studies. Think-aloud, heuristic walkthough

Inhibit or support social behaviour in digital systems. IBM T.J Watson research

New research shows that people who receive weak but supportive evidence about a proposition are less optimistic about the outcome than people who receive no evidence at all.

Evaluate the findability of topics in your site. A good test after a card sorting study.

A promising startup building tools for predictive discovery

History of multitouch systems with a penchant for "apple couldn't possibly expect their patent to hold when there's all this stuff I did with multitouch in the 80's."

"To an observer (commonly a client), the physical output & ideas [of a designer] seem arbitrary, or magically derived."

On the complexity of a task, and how it is shared by the user, the app programmer and the OS programmer.