For example, the word “Google” is usually the top query at other search engines, and words like “Yahoo” and “Bing” score high on Google. Why, oh why, do people search for a website if they already know its name? Why not just type, say, www.bing.com into the URL field?

Mental Models (Jakob Nielsen’s Alertbox)

Have you ever asked yourself this question? Have you ever given computer support via phone? Have you ever wondered why “normal” people do not understand the simplest most obvious things when it comes to software? I know I did!
This article will give you some explanations.

Here’s part of the explanation for the question above:

The reason is that many users have never formed an accurate model of how the “type-in boxes” on their screen function. When they type stuff into a box, they sometimes get where they want to go. What to type where and exactly how each type-in box functions, however, are often beyond their ken.

Notes