It can make things more intuitive. If you use mental models people already have, they tend to pick things up faster. I think the point of the cube, for instance

It can make things more intuitive. If you use mental models people already have, they tend to pick things up faster. I think the point of the cube, for instance, was to help people keep track of multiple windows a little easier by making it spacial as opposed to just a list. Maybe it wasn't very effective in that case, but I think the hypothesis was sound.