I like this perspective from @TheNextWeb, "Microsoft Is Late To The... Say What?":

"This is something I’ve been wanting to write for quite some time, in fact ever since Windows Phone 7 started gathering momentum. One of the frequently used line and pretty much stated ..."

Read the full post, here: http://bit.ly/9tF8jw

Also related:

Microsoft can't afford NOT to be in mobile.  Of course, Microsoft knows it too, clearly, "Microsoft To Spend $1 Billion Promoting Windows Phone 7 and Kinect"  Read the full post, here: http://bit.ly/91bKbW