I've found that articles, even those that hit the front page, vary widely in quality, and the same is true for comments. Some commenters are experts in their f

I've found that articles, even those that hit the front page, vary widely in quality, and the same is true for comments. Some commenters are experts in their field, and their comments are worth reading. For example, I've learned more about security by reading tptacek's comments than I have by reading articles on security.