Filter Bubble
The notion that users get less exposure to conflicting viewpoints and are isolated intellectually in their own informational bubble, particularly on social media platforms.
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Origin
Internet activist Eli Pariser coined the term around 2010 and popularized it in his 2011 book The Filter Bubble: What the Internet Is Hiding from You. Pariser, then board president of MoveOn.org, warned that algorithmic personalization on major websites was creating intellectual isolation. His critique emerged after Google began customizing search results in 2009, prioritizing predicted clicks over broadly popular results.
Updated February 22, 2026