One of the problems with learning a language early in its life cycle is that by the time version three comes out, you never look at or implement any of the new features.There are two reasons for this. First, the features you are using already cover 80% of the features you need. Second, you never look at the manual to discover what new features are available–features that may help you write your code more efficiently.The CSharp ?? operator is one such feature. We’ve all written code that looks