In the real world, we can se traces of how other people use things around us. Here's why we should be able to do that in software, too.

There’s a human-made path next to the paved one. Even though dogs seem to like it, it might be made by runners in hard shoes.

Visiting someone here? According to the wear on the doorbell, there’s a good chance you’re here to see Øresundshuset.

Not sure which ice cream to choose? Take the most empty one for a popular choice

In the physical world, we’re able read hints of usage by how worn out things look. On the internet, everything is new all the time.

Here’s what a worn interface could look like. Notice the heavily used support area.

or, simply reversed, people’s clicks (or fingers for touch interfaces) that actually clean up the most commonly used areas of the site.