Ahead of the PDC, “Microsoft .NET” has stepped out into the limelight sporting a new logo. The old one has been around for the last 8 years or so and with the the broad adoption of the Microsoft .NET technology on the PC, Web Server, Mobile, DB and Silverlight client, together with an industry direction towards cloud computing and on-line services, I guess it needed a new look.
For once I have to say I really like it.
Source- MSDN Blog