NetCompetition.org is a pro-competition Internet forum funded by broadband companies.
http://news.cnet.com/8301-13578_3-10114080-38.html?tag=newsE...
The study estimated Google used 16.5% of all U.S. consumer Internet traffic in 2008 ...
The study estimated Google’s payment to fund just the U.S. consumer broadband Internet segment to be approximately $344 million in 2008 ...
That's a lot of estimating.