Report: Microsoft Blue coming this Summer with support for 7 and 8 inch mobile devices
Bing plays an important part in Windows Blue and that the Bing team has been working on new ways to improve the search experience. One scenario mentioned was when a user searches for a movie, apps would appear that would allow the person searching to play the film, or link to apps that will allow the user to view the movie.
The public preview of Windows Blue is expected to launch within the next few months to allow current Windows 8 users to provide feedback for Microsoft after testing the new OS. Plans call for Microsoft to allow just one preview of Windows Blue.
source: win8china, TheVerge via Gizmodo