1. Soumitra Sengupta Principal SDE Lead Windows Phone soumitrs@microsoft.com WPH313

2. DESIGN: END USER COMES FIRST PLATFORM: FUN AND EASY TO BUILD COMPELLING APPS AND GAMES HARDWARE: OPTIMIZED AND STANDARDIZED

6. Software Architecture App Model Cloud Integration Services UI Model

8. App Model Cloud Integration Services Hardware Foundation UI Model

9. Applications CLR Hardware BSP Frameworks SilverlightXNAHTML/JavaScript

10. Software Architecture Cloud Integration Services Hardware Foundation UI Model

12. +

13. Not running StartRunningExit

14. RunningObscureRunningUnobscure Applications enable user to resume Phone call Reminder Battery low Phone call Reminder Battery low

15. RunningDeactivateSuspendedActivate Assume your process is killed Save state for later use Load state to continue where you left off User is back where they left off Hit Start Open toast Lock screen Hit Start Open toast Lock screen

21. Windows Phone 7 Windows Phone 7

22. Software Architecture App Model Cloud Integration Services Hardware Foundation

27. Apps restarted and UI rehydrated as the user navigates thru the phone

31. Software Architecture App Model Hardware Foundation UI Model

32. Windows Phone 7 Windows Phone 7

33. Windows Phone 7

35. Windows Phone 7

38. Microsoft Services

42. www.microsoft.com/teched www.microsoft.com/learning http://microsoft.com/technet http://microsoft.com/msdn