Mastodon is very interesting project. But feels rather fragmented due to decentralization model. Most "normal" users will have a hard time understanding instances and other concepts. But still very intriguing.
Is anyone here also on #mastodon? There's a great community of #LGBT, #InfoSec, … peeps over there. Already over half a million users with instances to specific interest. I.e. you can join an instance dedicated to functional programming