Editorial Note: I originally wrote this post for the SubMain blog. You can check out the original here, at their site. While you’re there, have a look at GhostDoc, which can help both with code comment maintenance and the generation of help documentation.
Some years ago, I was doing work for some client or another. Honestly, I have no recollections of specifics with the exception of a preference for exhaustive commenting. Every class, every method, every property, and every field.