Blogroll / Following
=> Martin Fowler
Software Architect with lots of good articles about design patterns
=> Scott Guthrie
Microsoft employee (VP in the Developer Division) and often the first to blog about new technologies (MVC, Azure, LINQ, etc)
=> Scott Hanselman
Microsoft employee, often showing ASP.Net technologies (both new technologies, and new ways to use existing/older technologies)
=> Raymond Chen
Long time Microsoft developer/engineer. Blog often contains nuggets about the Windows API and/or misc developer problems
=> Jon Skeet
Google employee and Microsoft MVP. Often providing good information about the innards of .Net, as design patterns, unit testing, and more.
=> Charles Petzold
*THE* definitive author of Windows programming books, articles, code samples, and more.
=> Jeff Atwood
Blogger and CTO of StackOverflow
=> Joel Spoelsky
Former Microsoft employee, now CEO/co-founder of Fog Creek Software, and CEO of StackOverflow
Teams - Azure
Teams - Dev - dotNet
=> .NET Framework Blog
A first hand look from the .NET engineering teams
=> ADO.Net Blog
The official source of information on Managed Providers, DataSet & Entity Framework from Microsoft
Teams - Exchange
Teams - Misc
Teams - SharePoint
=> The SharePoint Guys
The blog of the SharePoint Guys from Microsoft Consulting Services, UK.
=> SharePoint Developer Team
The group responsible for SharePoint development (APIs, Visual Studio, etc)
=> SharePoint Developer Support Team Blog
The Official blog of the SharePoint Developer Support Team
=> SharePoint IT Pro Blog
Brought to you by Microsoft teams working on SharePoint IT Professional content
Teams - SQL
=> SQL Server Blog
Official News from Microsoft’s Information Platform
=> SQL Server Reporting Services Team Blog
Blog from the Microsoft SQL Server product team.
=> Microsoft Business Intelligence
Familiar. Collaborative. Managed.
=> Microsoft Analysis Services & PowerPivot Blog
Information, tips, news and announcements about SQL Server Analysis Services and PowerPivot directly from the product team.
=> Power BI
Teams - Win
=> Win Subsys 4 Linux Team Blog
The underlying technology enabling the Windows Subsystem for Linux