TED playlist: How to Pop Our Filter Bubbles: "Insights and advice to escaping the echo chambers of social media, newsfeeds, and everyday conversation so that we may get a better, less rose-tinted grasp of the world and people around us."
1. A room with sound-reflecting walls used for producing hollow or echoing sound effects —often used figuratively
2. Living in a kind of echo chamber of their own opinions, they pay attention to information that fits their conclusions and ignore information that does not. — James Surowiecki
"An insular communication space where everyone agrees with the information and no outside input is allowed"