Not many UIs are intuitive. I once tried to use a clickwheel iPod whilst my collleague was in a shop. I had to give up and revert to the car stereo for music.

Not many UIs are intuitive. I once tried to use a clickwheel iPod whilst my collleague was in a shop. I had to give up and revert to the car stereo for music. The majority of UX enlightenment comes from demonstration.