Another example would be on the developer tools side. Things like C# 4.0, Linq, Entity Framework, ASP.NET MVC.
Not all of the their developer stuff is great (I actually had a MSFT PM to apologize to me for the unit-testing stuff built into Visual Studio) but I can't imagine life without Linq.
Not all of the their developer stuff is great (I actually had a MSFT PM to apologize to me for the unit-testing stuff built into Visual Studio) but I can't imagine life without Linq.