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Can you be more specific? I found Windows Phone 7 to be terrible as in worse than Android, iPhone, and Blackberry bad. The tile interface falls down vary quickly and the app store is a ghost town.
How is WP7 worse than the others? How does the tile interface "fall down"?
Smooth scrolling looks cool, but locating something in the middle of a long list is much easier with separate pages. Which is not such a big deal, but tiles take up more space than the old button interface so you don't get to display a lot of them at the same time.
Basicly, 2 tiles wide * 4 tiles tall = at most 8 per tiles page. Sliding up and down one page works fine, but what if you want 17 tiles? you now slide a little and look for what you want to hit which you can't do with muscle memory. Compare with both iPhone and Android which fit 20 apps per page just fine no scrolling required.
As to updates, texts, email, phone calls have value. Knowing what temperature is is right now in two city's at the same time is practically pointless. As in how often do you want this vs. the actual forecast over some period of time?
PS: And I don't say this as someone that hates MS. I am a C# developer, with an MSDN subscription who like a lot of what they have been up to recently. I even liked Vista on good hardware, but I just think there phone OS is terrible.