>>>>But, IIRC, MS has backed off from Silverlight support on smart phones and will use HTML5 (but that's a ways off)
>>>
>>>Silverlight is alive and well on Windows Phone 7, in fact its one of two available development platforms for the phone (Silverlight/XNA). I'm told by the product teams that it will be so for the foreseeable future....
>>
>>Well they would say that, wouldn't they.
>>Seriously, I like Silverlight a lot and HTML5 is a long way over the horizon, But I thought MS have pretty much stated that they no longer intend to push Silverlight onto every platform and will go with HTML5 in the longer term. Also sort of interesting that Symbian still accounts for about 40% of phone OS's and Nokia are cuddling up to MS....
>>Anyway none of this impacts on my market for the time being - no axe to grind....
>
>I thought Nokia already announced that Symbian is going away...
>
>Nokia Adopts Windows Phone 7, Kills Off Symbian OS
>http://www.switched.com/2011/02/11/nokia-adopts-windows-phone-7-kills-off-symbian-os/
>Nokia Kills Symbian, Teams Up With Microsoft For Windows Phone 7
>http://www.wired.com/gadgetlab/2011/02/microsoft-and-nokia-team-up-to-build-windows-phones/

That was sort of my point. If WP7 is to be used in place of Symbian and that still has nearly 50% of the market it will be interesting to see what happens. Admittedly past success is no guarantee but it's worth something.

These two are interesting:

This is share of the market by OS units:
http://gigaom.com/2010/03/18/the-mobile-os-market/

But this by .NET traffic generated by OS:
http://arstechnica.com/apple/news/2010/03/iphone-os-still-dominates-mobile-web-android-on-the-way-up.ars