Yup, should have included that, and I agree that it's essential to read code to become a better programmer. I'm actually thinking of building a tool that would

Yup, should have included that, and I agree that it's essential to read code to become a better programmer. I'm actually thinking of building a tool that would automate this a little - maybe it would find some code from a well-loved OSS library and get you to mark it up in the browser. Once you're done, you could see other people's comments on it.