There are an incredible number of sites. Chances are, there are enormous ones you've never heard of because they deal with things you're not interested in. I've

There are an incredible number of sites. Chances are, there are enormous ones you've never heard of because they deal with things you're not interested in. I've never heard Justin.tv mentioned anywhere beyond here and Reddit (I don't read tech blogs, as a disclaimer): until a month ago, I thought that Justin.tv was still just the one guy. HN is great because it has such a concentration of people who know what they're talking about. It means that you can advertise just here, and rely on word-of-mouth to spread the biggest ideas.