GigaOM reports on researchers' discovery that some Internet service providers (ISPs) have been rerouting users' online traffic to provide Web search results "that can generate money for firms selected by the ISP as well as the ISP itself." The practice has resulted in a class-action lawsuit against companies Paxfire and RCN, and Sen. Richard Blumenthal (D-CT) has said he is considering investigating the practice. Referencing past ISP tracking incidents, the report suggests the key issue is "ISPs, in their quest for revenue, are once again interfering with users without their knowledge or consent."    
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