> My guess is that people had no idea it was there. Most users don't know how to use half the iPhone's navigation features. And the problem here isn't the user

> My guess is that people had no idea it was there. Most users don't know how to use half the iPhone's navigation features. And the problem here isn't the users, but that they are completely undiscoverable. At some point, I think the home-button had like 11 different functions based on how you pressed it and in what context. Everything to make things look "sleek".