Personally, I think Microsoft is making small steps in the right direction when it comes to Open Source. Not only have some high profile Microsoft projects go Open Source like ASP.NET MVC and MEF, but we’ve even started taking baby steps for including external intellectual property. Releasing ASP.NET MVC under Ms-PL is a big deal, but I think including jQuery “in the box” is a much, much bigger deal. It remains to be seen if it’s a one-time-only deal or if it’s a new trend inside Microsoft.