The September 1st, 2006 issue of Business 2.0 — online access here — has a scoop about different business blogging startups that earn six to seven figures in advertising revenue.

Michael Arrington of TechCrunch, the blog about new technologies and companies, is pulling in $60,000 in ad revenue every month. That is 10 times what the site was making earlier this year.

Boing Boing, a four-person operation — a blog about wonderful things — is on track to gross $1 million in ad revenue this year.

Again, read the article for more examples.

Some of the most popular blogs have become mainstream because they benefit from the economies of scale. Starting and operating a blog is cheap, yet it has the potential to reach vast amount of audiences and generate the leve of profit that traditional media companies can only fantasize about.

Wow, the entire article is a great read for anybody who need a dose of motivation of what a blog could bring to them, either as a content publishing or marketing tool for their business.

If you think that only a few of us could achieve that kind of success through blogging, you are absolutely right. But, that doesn’t devalue the power of a blog as a communication tool, a medium to publish, establish credibility and being an authority in your niche.

I just recently posted about how a blog post earned a coupon. Great example. Very feasible even for a work at home, part time blogger.