Discovery Communications just bought eco-lifestyle blog TreeHugger.com, allegedly for $10 to $15 million. Then, TechCrunch published a recent study by the University of Texas (sponsored by Chitika) claiming that the top 50,000 blogs based on Technorati generated a total $500,000,000 in revenues for 2006 {download PDF here}.
Though this report does make the whole blogging industry look very lucrative, I feel that the study is just wrong on so many levels.
First, they based their sample size from the 12,000 Chitika Publishers and ranked them using Technorati. The sample size is so small and too narrow a demographic to represent the entire blogosphere (or even just the top 50,000).
Technorati, though the biggest dedicated blog search engine, only covers a small fraction of the entire (pro)blogging population.
Chitika is nowhere near the top revenue streams of bloggers. You have AdSense, YPN, TLA, PPP, Amazon, and so many other high-rollers that revenues from Chitika could not be near the 1/3 share it claimed to factor in the formula.
In contrast, Google AdSense Publishers took home $916 million in 2006. That figure includes all other websites and blogs.
I think this research/survey is more about Chitika doing another marketing stunt for themselves than really getting the accurate numbers. I just love it when people do unsubstantiated surveys.



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