"The most important principle on HN, though, is to make thoughtful comments. Thoughtful in both senses: both civil and substantial." "Empty comments can be ok

"The most important principle on HN, though, is to make thoughtful comments. Thoughtful in both senses: both civil and substantial." "Empty comments can be ok if they're positive. There's nothing wrong with submitting a comment saying just "Thanks." What we especially discourage are comments that are empty and negative—comments that are mere name-calling." http://ycombinator.com/newswelcome.html http://ycombinator.com/newswelcome.html