Today, Microsoft officially unveiled Windows Phone “Mango” (codename), a free update that will add “support for additional languages, expand access to apps by launching Windows Phone Marketplace in new countries, and partner with new OEMs to enable expansion to new markets.” Videos after the break. Click here for the first picture in gallery.

In the communications department, Microsoft is introducing conversation threads, which seamlessly transition between MSN Messenger chats, SMS, and Facebook messaging to keep you talking to the same person irrespective of the method.

[via Engadget]