I've set up this mastadon instance - freegaff.club - as a means of leaving corporate social media and into the open source, web 3.0 fediverse.
I'll be leaving Facebook in January after years searching for a viable alternative. I think fediverse apps like Mastadon are that solution, rather than yet another web 2.0 private data silo like MeWe.
Here's how it goes. Create your own Mastodon or other ActivityPub-complient app, fill it full of 500 friends*, then federate!
Free Gaff. No Spies, no ads, no bother.