Federation is pretty cool, but kinda confusing, and maybe a little scary
Last week, this strange mention appeared on my Mastodon feed.

After a bit of clicking around, I figured out what had happened. A user on the Kbin social network had linked to my Mastodon profile. Thanks to the magic of the ActivityPub protocol, it filtered into my mentions - even though I've never even heard of Kbin. That's pretty cool! A user on one social network can mention a user on a different social network - neither needs to be registered on the other.
And that is where things get a little confusing and, perhaps, a bit scary.
At the moment, users on TikTok and Facebook are completely segregated. If my TikTok video gets shared on Facebook, I have no way of knowing about it. But ActivityPub breaks down those walls.
If my cat photo on Mastodon goes viral, I can start receiving comments from PixelFed telling me how cute my cat is. Lovely!
If I post something on Lemmy saying "I don't think that Trump fellow is entirely my cup of tea", I can start receiving vitriolic comments from a dozen different networks which sprang up in the last week and will vanish tomorrow. Not lovely.
In many ways, this isn't a new problem. Users have always been at risk of abusive people - but that's usually confined to the users of a single network. And most users understand the norms of their social network community. And most networks have ways to combat harassment and limit post visibility.
Because most social networks are walled gardens, the easiest way to share content is via a screenshot. That makes it harder for a user on Facebook to find the Twitter user whose screenshot so offended them. But with ActivityPub there is zero friction. There's no need to share a screenshot when you can embed a post from Network A into Network B with no fuss. Which means with a single click a disgruntled user can slake their ire.
I don't think federation is a bad thing. But I think it's a new way of thinking about your social networking. I like having a different personality and different audience of Facebook and LinkedIn and Reddit and MySpace. And, just sometimes, I want a little bit of friction to stop angry idiots from shouting at me.
Blocking all Pleroma servers)? I think I've seen instance admins do this, but usually at the http layer rather than within the ActivityPub software.
Moderation will make or break Mastodon...
Antigone Merlin says:
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