Let’s say you study two people using a smartphone that has an advanced still and video camera. One is 22 years old, and the other is 47 years old. Neither of them has used this smartphone/camera before. You give them a set of tasks to do. Will there be a difference between them? Will they…
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You buy a new digital camera and you start learning how to use it. Chances are that in the first few days of using it you will make a lot of mistakes –press the wrong buttons, forget where things are in the menus, and so on. We tend to think that mistakes are bad and…
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I used to collect computer error messages. It was kind of a hobby. I’ve got a great collection of them, some of them going back to the old character based computer screens. Most of them are not error messages that were trying to be humorous. Most of them were written by computer programmers that were…
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