Affordances
A button invites us to push it. A round door knob invites us to pull it. Stairs invite us to climb or …
Know how to use it and feel good!
Sometimes I observe my 5-year-old playing games on the internet, e.g. in 1001 games -site among others. It never seizes to amaze …
Get a new password and start over
My son and I decided to go to a movie after a long time. It’s great that one can buy the tickets …
User interfaces against working memory
Have you ever ran into user interfaces that require you to remember lots of information for a long time, while simultaneously doing some …