One thing I think is really interesting is that in the App Store categories Weather is a top level category, right next to Music, News, Education and so on. I

One thing I think is really interesting is that in the App Store categories Weather is a top level category, right next to Music, News, Education and so on. I personally wonder if not the only thing that drives the weather-app market on iOS is Apple listing Weather as its own category. Disclaimer: I'm the creator of Degrees, Weather for your Mac http://itunes.apple.com/app/degrees/id430173763?mt=12 http://itunes.apple.com/app/degrees/id430173763?mt=12