Ever read a blog post or discussion post that was helpful, insightful, or just entertaining? Take a moment to comment on the post by saying that you really enjoyed it, which is a great way to get your feet wet in getting involved on the site! Also, each discussion post has a little thumbs up and thumbs down to give kudos to the author! This is totaled in their overall "karma" and gives an idea of who the most influential posters are! Try it out!