It's a very long post, but a lot of it is a detailed discussion of terminology in the appendix -- no need to read that unless you're into definitional struggles.
Agreed that Bluesky's run by a single corporation so it's different than today's ActivityPub Fediverse, but the Fediverse's historical approach to "open federation" isn't the only approach. Even in the ActivityPub world we're seeing more and more experimentation with allow-list federation.
Yep. And that's far from the only way it could work out badly. I talk about this a bit in the section on "Bluesky is a useful counterweight to Threads"
Bluesky is far from perfect. They're venture-funded, so likely to end with an exploitative business model. They've got a surveillance-capitalism friendly all-public architecture. It's great that Jack Dorsey's no longer on the board but he was.
This is straight up misinformation, Dorsey was on the Bluesky's board, but left in May. As far as I'm aware, he's never even invested in the company (but he has given money to the nostr devs).
Kuba's link i that thread is good, it looks like there's currently about 370 PDS's -- Bridgy Fed got an exception from Bluesky so is the only one that currently has more than 10 uses. https://blue.mackuba.eu/directory/pdses I know some people who just run the open-source code for Bluesky's PDS (which is pretty straightforward) and some run other implementations.
Blueksy's approach to decentralization is very different from ActivityPub but it's definitely decentralized. (Also that article's over a year old, and some things have changed since then.). But, like I say in the article, not everybody is so welcoming!
They're still cosplaying decentralisation. Google hosts images on a separate domain to the one where they serve documents, are they decentralised? When we see more indexers, by all means let's consider BlueSky decentralised, but until then, they're just offloading traffic.
Getting the BTS fanbase to switch platforms is huge and can essentially get you millions of users in an instant. I wish Mastodon was in the picture though.
I'm squarely in the AT protocol is not the Fediverse camp. Fine if people want to enjoy Bluesky, but the Fediverse is built on top of the W3C protocol ActivityPub. AT is incompatible. Cool that there's a bridge, but a bridge between incompatible protocols will always be a bit of a hack in my book.
"Anyhow, if Evan and Eugen and SWF and fediverse.party want to choose a definition of Fediverse where history stopped with Mastodon's 2017 adoption of ActivityPub, erases earlier Fediverse history, and ties the Fediverse's success to a protocol that has major issues ... they can do that. "The Fediverse" means different things to different people. It's still worth asking why they choose that definition."
You seem to be incorrectly stating what is on Wikipedia, which leads:
The fediverse (commonly shortened to fedi)[1][2][3] is a collection of social networking services that can communicate with each other (formally known as federation) using a common protocol.
That last bit is absolutely key: a collection of services using a common protocol. Imagine if two different email servers didn't both speak SMTP. Imagine if two different web services didn't both speak HTTP. The Internet as a singular entity is only made possible because of protocol interop between all of its constituent parts.
To say "the fediverse" is comprised of multiple incompatible protocols goes against that grain, and to go back to pre-ActivityPub-as-W3C-specification days as an argument that it's fine to label multiple incompatible protocols as all being components of "the fediverse" is a stretch.
To me, this isn't a let's-agree-to-disagree-issue, honestly. While the term "fediverse" is arguably colloquial and doesn't necessarily imply any specific technical attributes, it ceases to be useful as a term if Fediverse Platform A cannot in any way communicate with Fediverse Platform B because the two platforms happen to be using 100% incompatible protocols. Aside from a third-party bridge, the AT protocol used by Bluesky is 100% incompatible with ActivityPub used by Mastodon, Threads, and others. Therefore, they cannot both be simultaneously services in the fediverse.
I think, possibly like many others, since BlueSky came from the creator of Twitter, I do not trust it. At the moment, I don't even think there's anything anybody can say about it that would make me want to even test it. It just feels tainted.
Also, what is BlueSky promising? A new Twitter? The fediverse is making so much more possible: new Twitter(s), new Youtube, new Instagram, new Reddit, and it's even being put into Wordpress, maybe even Tumblr, and who knows what else. How does BlueSky fit into that puzzle?
I don't trust it because there's no believable plan to make it commercially viable, so it's just going to end up defunct or enshittified. Mastodon is up front, it's a volunteer service that you can either pay for or roll the dice on the instance staying up. And there's a built-in way to move on when one goes down.
BlueSky is a B-corp, which theoretically means they can say their mission takes priority if sued by an investor in court, but doesn't in any way require them to make it the primary goal, and the reality of funding and money and investors means that's almost certainly not going to happen.
Dorsey's not involved in Bluesky any more but I agree that there are lots of reasons not to trust them (including Dorsey's original involvement).
Bluesky's currently a much better Twitter alternative than Mastodon but I totally agree, there's a lot more to social networking than that. I talk about ways I see Bulesky as complementary to the ActivityPub section in the last section, "It's the end of the Fediverse as we know it – and I feel fine"
Maybe competition will make the Fediverse better? With or without Bluesky in the loop, we could take inspiration from their unique features and what people like about their platform. I certainly didn't know they take onboarding seriously and offer shared blocklists and useful stuff like that...
Yeah. There are a few issues with ActivityPub. And as far as I know it's questionable whether it could scale to a scale the large commercial platforms have. I'd be in for a more efficient successor with a few more standardized extras. I guess it'll be hard to agree on a new protocol. External pressure/influence could help, IMO. Although, at the same time I'm grateful I have this platform.
To bridge your fediverse account into Bluesky and interact with people there, search for and follow @bsky.brid.gy@bsky.brid.gy. That account will then follow you back. Accept its follow to make sure your fediverse posts get sent the bridge and make it into Bluesky.
I mean, I guess, but that's pretty convoluted and opt-in, not so much a direct compatible connection from Bluesky to the Fediverse. And you'd have to trust them regarding privacy.
So, I find people talking about blue sky confusing; if I search for a bluesky user to follow via Mastodon, I don't see them come up. Does that just mean my server isn't federated with them? I'm on mastodon.online, which I think is one of the biggest instances.
It'd be cool if I could actually interact with blue sky but it's really not clear to me how it works if I don't have a blue sky account and am interacting externally