+An echo chamber describes a situation where beliefs are amplified and reinforced by repetition within a closed system, with little to no exposure to conflicting ideas. This environment can intensify existing [Confirmation Bias](/wiki/confirmation_bias) and cultivate a sense of shared reality, often fostering [Groupthink](/wiki/groupthink) and limiting perspective.
+## See also
+- [Filter Bubble](/wiki/filter_bubble)
+- [Polarization](/wiki/polarization)
+- [Disinformation](/wiki/disinformation)
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