Ask good questions that can provide discussion, give helpful and constructive answers to questions, and get to know some people in the comments section and talk with them. Then you should have a good chance of being noticed :)
FG is right, if you answer a thousand questions but are ridiculous, you won't get on to HOF. If you answer 20 that are thoughtful, intelligent and actually know something about the matter, you probably will. We'll be looking for ya!