What % of iPhone users do you all think will actually use the AppStore? I'm trying to judge potential sales of applications but it's difficult because there are so many factors, and one of the biggest is I just have no idea how many people will ever even get to the AppStore. I think many will just be happy with the built-in applications and never go there (or maybe never even realize it exists if they never click on the button). As a wild guess, I'm going to say at least 50% of iPhone users will never even visit the store, but hopefully I'm wrong and many will. What's your guess?