The term was coined by Internet activist Eli Pariser circa 2010 and discussed in his 2011 book of the same name ; according to Pariser , users get less exposure to conflicting viewpoints and are isolated intellectually in their own informational bubble . He related an example in which one user searched Google for " BP " and got investment news about British Petroleum , while another searcher got information about the Deepwater Horizon oil spill , and noted that the two search results pages were " strikingly different "
Deepwater Horizon oil spill
Deepwater Horizon oil spill
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