"In our latest innovation, we have added sound baffling to the echo chambers. The upshot is now people can hear themselves and nothing else, as requested. This helps narcissists keep out of others way and let people get on with their lives... What's the downside, you ask? Oh.... Well, the downside is that everyone else is predicted to suffer psychosis. Well, predict to suffer it 62% faster than now..... Anyways, mission accomplished!" /s