Facebook is predicting if you'll kill yourself. If it wasn't already bad the amount of influence that they hold over teenagers and vulnerable people now they're coming up with algorithms to predict if you'll kill yourself? When are we going to stop this octopus? We must stop it's tentacles to ruling our society!
Mastodon it is a federation—think Star Trek. Thousands of independent communities running Mastodon form a coherent network, where while every planet is different, being part of one is being part of the whole. Free, open-source software. There is no advertising, monetizing, or venture capital.