Check out Armcord. It's a 3rd party client with many customization choices (mainly due to the fact that it bundles Vencord and Shelter client mods).

Jailbroken Amazon Kindle Paperwhite 2 with Koreader installed. Never really bothered to take notes while reading (let alone sync them), so I'm gonna follow this thread.

I download my books from Soulseek and manage/transfer them using Calibre.

12.247 kg

Great! Just what I was looking for! Thanks!

I tried editing my config.yml as the guide suggests but the problem persists. The problem seems to be that I'm using MariaDB instead of MySQL (pdo_mysql is compatible with MariaDB). Is there anything more I can do or should I try installing MySQL?

EDIT: Purging MariaDB (Debian repo ships this instead of MySQL) and reinstalling it with sudo apt install default-mysql-server fixed the problem. Thank you.

Do you have any info on Viber being a bad service privacy-wise? It's a lesser-known messenger that prides itself on its privacy policy but I can't find any info on it being the case or not.

I just simply sent a message to everyone I kept in touch on Telegram to switch to Matrix/Element and guided them through the registration to a local homeserver thanks to one of my friends' blog posts.
The easiest way to convince your friends to switch is to just make the switch and help them sign up and use the service.

The consequences of being terminally online.

It's completely open and it's just another fee you can pay. Switch to KeePass if you want restriction-free password management.

This site covers the social cooling effect of these services and how the data you give out may be used against you by banks, insurance companies etc. It's worth reading through (4 minutes). https://www.socialcooling.com/

Which TED talk are you talking about? Can you post a link?