Which features are good to have in a messaging platform?

[Kimiro]

I'm currently doing research to see what people really want in a messaging platform. Bring out your most useful, craziest or stupidest feature suggestions that you or other people would use.

Imagine that the messaging platform is similar to Discord with a main group + subgroups in it

[Frosttide]

Actually nothing more than emotes

[Luani]

controlling front cam without them knowing  

[JavaQuality]

1. Open source

2. Anonymous - No need of one's phone number, name, or whatever for additional account verification/registration, allowed use of disposable e-mail addresses, Bitcoin payment option for subscriptions, and no data collection whatsoever.

3. No forced client updates