2. 300MM active users worldwide

3. Worldwideleadership

4. 30 billion contact relationships

6. A JavaScript client library for Messenger Your Web Site MessengerLibraryMessengerLibrary Messenger Service Messenger Service

7. Demos What Can You Build? Code Examples Script#GuidelinesResources

10. Reach out to contacts Add new contacts Show what users are doing on your site Let users interact with rich messaging

11. 32 Messenger markets worldwide Most popular browsers Choice of languages: JavaScript C# with Script# Available NOW in Beta

12. Sign in userCreate sign in controlUser authenticates Applications signs user in to Messenger Say Hello!

14. Create contact list UI Paint contact presence using event handlers

16. ConversationConversation User.Conversations Attach event handler for new conversations ConversationConversation Attach event handlers for new messages MessageMessage Show on UX Attach event handlers for new messages

19. Free tool that enables you to write Ajax applications in C# Compiles C# to regular JavaScript Messenger library was implemented using Script# You have the same option for your apps as well Goals Increased development productivity Simplify creating more maintainable code bases Leverage.NET tooling for Ajax apps More documentation and tutorials online http://www.codeplex.com/ScriptSharp

22. Follow terms of use and design guidelines End user in full control Respect privacy of user and user's contacts

23. http://dev.live.com/messenger MSDN documentation Terms & Guidelines Discussion forum SamplesBlogScript# http://www.codeplex.com/scriptsharp/

24. Grow your user base Make your site stickier Start coding today http://dev.live.com/messenger

26. Send IM to Messenger users directly from Web site <iframe src=“.../IMMe.aspx?invitee={ObfuscatedID}&mkt=en-US" width="300" height="300" frameborder="0“ />

27. Internet Domain Published privacy policy Follow Windows Live platform terms of use Follow Windows Live design guidelines Ajax UI Inter-frame channel file User with Windows Live ID User’s permission

28. © 2008 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.