Quick meaning
An online environment where you mostly see opinions and information that match your own, reinforcing existing beliefs.
Think of it like this
Like a room where everyone agrees with each other and no different voices are heard.
Where you may see this
You may see this on Facebook, Instagram, TikTok, WhatsApp groups, and other social apps.
Why it matters
Understanding the term helps you use social platforms more comfortably and spot risky or misleading behaviour.
Say it simply
Echo Chamber means: An online environment where you mostly see opinions and information that match your own, reinforcing existing beliefs.