Most iPhone users who are also blogging are tech freaks, who suck up every word Apple lets out. So they know every trick for using the iPhone.<p>Recently a non-geek friend of mine bought an iPhone. She already had if for over a week when I met her and finally showed her how to zoom...<p>Not saying the iPhone interface isn't great, but it is still not problem free.<p>Also, doing specific things might require using iTunes (to buy the required apps), and the iTunes interface is definitely not great.