Brandt Dainow has a interesting article named How Accurate is Google AdWords? In that article, he shows how Google has earned $6 billion from advertising during 2005 and $4.6 billion in the first two quarters of 2006. He explains that if the conservative estimate that 95% of Google's revenue comes from AdWords, that puts Google's income from AdWords last year at $5.7 billion and $4.37 billion in the first two quarters of 2006. Now, if Google's statistical accuracy in detecting invalid clicks is 95%, which is pretty good, then they "mis-billed $285 million last year." Read the full article at iMedia Connection.
This Year's Premier Digital Marketing Event is #CZLSF
ClickZ Live San Francisco (Aug 11-14) will bring together the industry's leading online marketing practitioners to deliver 4 days of educational sessions and training workshops. From Data-Driven Marketing to Social, Mobile, Display, Search and Email, the comprehensive agenda will help you maximize your marketing efforts and ROI. Register today!