Sure,

Okey, go on again popular apps. Just one sample, what about instagram?

>I'm sure it's possible to find a WinPhone only app for a particular industry that the user would say the same thing about.
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>>No, I have a pilot friend at THY, he is an Airbus pilot. He said me "We have to calculate aircraft's weight and have to arrange flaps for take on with some formulas, I was doing this by a book since iPhone, Now I easly calculate this without book. Also another app for record my flights. There are wonderful applications for pilots at iPhone". You know a lot of developers just develop their applications for iPhone. Some of them develop for Android too. A few developers develop for WM too... I noticed that, when this discussion begins you talk about fart apps... :)