Sum up the main stuffs :
* *Limited* Multitasking (similar to Apple’s)
* Revamp browser. The core engine now use IE 9’s engine which claimed to be fastest compared to iOS and Android.
* HTML 5 support (Video playback support h.264).
* Twitter Integration in People Hub.
* 1500 new APIs which opening the door to some must have stuffs like augmented reality, in-application barcode scanning, and full network access.
* New hardware baseline, which will be announced later.