What is Facebook echo chamber?

Related questions

1. Why echo test is required?
2. What is a soundproof booth?
3. What is an echo study?
4. What is the most famous echo chamber in the world?
5. How does echo occur?
6. What is an echo chamber in politics?
7. What happens when you have an echocardiogram?
8. How long do results take for echocardiogram?
9. What is echo method?
10. What does an echo mean?

Tags

1. #social
2. #filter
3. #another
4. #facebook
5. #suffers
6. #algorithms
7. #problematic
8. #google
9. #owned
10. #discourse
11. #little
12. #information
13. #people
14. #bubble
15. #common
16. #chambers
17. #twitter
18. #personalization
19. #trapped
20. #obviously
21. #narrow
22. #created