While you can follow Microsoft’s main Twitter feed at @Microsoft — there’s also many specific Microsoft products & teams on Twitter too! (Thanks Sarah & Olen)
Products and Services:@BillGates – Bill Gates@WindowsEBS – Windows Essential Business Server Product Team
@FixIt4Me – Microsoft Fix It
@ie – Internet Explorer
@Live_at_Edu – Microsoft Live@edu
@LiveFramework – Windows Live Framework
@LiveMesh – Windows Live Mesh@MicrosftHelps – Customer Support
@MicrosoftTag – Microsoft Tag
@Microsoft_Xbox – Xbox
@MSaccess – Microsoft Access@msfthardware – Microsoft Hardware Team@MSMyPhone – Microsoft My Phone Team@OfficeForMac Mac Office Team@SBSblog – Small Business Server Support & Product Group@WindowsSBS – Windows Small Business Server Product Team@SharePoint – SharePoint@SysCtrOpalis – System Center Opalis Team@VSDeveloper – Visual Studio Product Group
@WinHomeServer – Windows Home Server Product Team
@WindowsLive – Microsoft Windows Live
@WindowsMobile – Windows Mobile@WindowsPhone – Windows Phone@WinSrv – Windows Server User Assistance (UA) Group@WP7Dev – Windows Phone 7 Developer Experience TeamBlogs & Web Community:@AskTechNetUK – TechNet UK
@Ch8 – Channel 8
@Ch9 – Channel 9
@Ch10 – Channel 10
@CodePlex – Microsoft’s CodePlex Open-Souce Project
@MajorNelson – Major Nelson, a.k.a. Larry Hryb of the Xbox 360 Team
@MIX09 – The MIX09 Conference (see also @MIX07 & @MIX08)
@MixOnline – Mix Online
@MSDN – MSDN Team
@MSExpression – Microsoft Expression Community
@TNEdge – TechNet Edge
@XNACommunity – XNA Creators Club
@ZuneInsider – Zune Insider BlogMicrosoft Corporation:@adCenterBlog – Microsoft adCenter
@Microsoft_EDU – Microsoft EDU
@Microsoft_Green – Green Microsoft
@MicrosoftPress – Microsoft Press
@MicrosoftStore – The Microsoft Store
@MicrosoftUP – Microsoft Unlimited Potential
@MicrsftTech4All – Microsoft Accessibility Team
@MVPAwardProgram – MVP Award Program
@MSAdvertising – Microsoft Advertising
@MSFTResearch – Microsoft Research
@MSLearning – Microsoft Learning
@MSPartner – Microsofti Partner Program
@MSRobotics – Microsoft RoboticsOther:
@Zune