• pinwurm
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    2 years ago

    Lemmy is Reddit.
    Mastadon is Twitter.

    Kbin is a bit of both.

    They federate. So imagine using your Reddit account to reply to a tweet. And vice versa.

    They don’t share the same servers - they just communicate with each other. Kind of like how I can use Gmail to write to a friend that uses a Yahoo Mail.