Network effects can occur in federated networks as long as different platforms cooperate and communicate.

Currently, the Fediverse[1] exists through multiple free software platforms and online communities. (Like Mastodon[2])

This can and should expand to include Twitter/FB/others but that would go against their mantra of owning the platform to ensure maximum profits/rent-seeking and power over information. (Platform Capitalism[3])

[1]: https://medium.com/we-distribute/a-quick-guide-to-the-free-n...

[2]: https://joinmastodon.org/

[3]: https://www.wiley.com/en-us/Platform+Capitalism-p-9781509504...