Secret speakeasies were easily revealed by speaking about them.

I'm also joking, but only partially. It could be a fun gimmick. Check all your electronics in at the door, go through the doorway with an EMP zapper, and then enjoy a distraction free camera free evening. You get banned if you get caught sneaking in electronics and you might wreck your expensive phone, so why risk it.

Serenity did this. It was thwarted by a brainwashed child triggered by a Fruity Oaty Bar commercial.

Can you share a link to this story/ something googleable? Sounds interesting

I am a leaf on the wind.

I'm still traumatised by this phrase.