You have a successful blog. You post on a frequent basis, have a strong reader base, get a decent amount of comments, and earn some revenue from the blog you run? So what do you do now? Many bloggers simply continue to post and reply to comments. Hoping that their blog continues to grow and eventually earn more revenue.

There is nothing wrong with is, but the question I most often have for successful blogs (and by successful I don’t mean 1 million page views a month and 200,000 RSS subscribers with $50,000 in ad revenue, I mean a consistent steady reader base (5000+ monthly) and some ad revenue), is why they don’t go beyond just a simple blog?

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http://www.problogger.net/archives/2007/10/21/going-beyond-the-blog-how-to-extend-your-blog/