More detail about the launch can be found in our news story from the Windows Phone 7 launch event - an event where Stephen Fry made a guest appearance.
Here's our roundup of other Windows Phone 7 news.
Microsoft readying thousands of Windows Phone 7 handsets
Windows Phone 7 set for 11 October release
Microsoft names initial Windows Phone 7 hardware partners
Will there be a Nokia Windows Phone 7 deal?
Windows Phone 7 won't run WinMo apps
Microsoft showcases what Windows Phone 7 will offer
Microsoft unveils final version of Windows Phone 7 code
Ballmer apologises for Winodws Mobile missed generation
If you're after something meatier about Windows Phone 7, our special features could be the answer.
A year ago we looked into the crystal ball to see what we could expect from Windows Phone 7. Then, earlier this year, we asked whether or not the new OS would succeed
