This makes sense, thanks for the explanation!

This makes sense, thank you. I’m becoming so aware of how little I know about software (I had to look up the term frontend).

Is this right: Mastadon is an open source frontend and ActivityPub is the open source backend. And Mastadon is kind of like a tool that people use to create instances. The instances keep all of their data on their own servers, but the servers can talk to each other so every server has access to data from every other server. So if Musk bought Mastadon, he wouldn’t have control of all the individual servers’ data, and if Musk bought a server, all the users who wanted to could switch to another server without losing any of their data. Does this mean that every server holds a copy of all of the data from the whole network of servers?

So if Musk said to himself, “I’m going to buy Mastadon from Rochko and fill all the instances with ads!”, he would be able to do that but we could always just fork and create “Mastadon 2” and then everything would be normal again? Would our content and followers and stuff follow us from Mastadon 1 to Mastadon 2? Or would it just be that the instances would have to switch from 1 to 2 and nothing would really change in terms of user experience?

Isn’t Mastadon run by an organization started by Eugen Rochko? Could this organization not be bought? Or does it not make a difference who controls Rochko’s organization? Sorry to ask such basic questions - I find the Fediverse pretty confusing.

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Is there anything that stops Elon Musk from buying Lemmy or Mastadon? Even if everyone were to migrate over to the Fediverse, what stops these websites from being bought as well?