Who is Hijacking U.S. Search Traffic?
At the beginning of 2011, there were a number of studies that observed an odd practice occurring over a number of ISPs. The incidents referred to the Domain Name System. The issue that these studies picked up on was how a large chunk of the traffic was being directed away from some of the major search engines (Google, Bing, yahoo) and instead diverted to third party proxies.
A personal look at how internet search has evolved over the years