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Joined 1 year ago
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Cake day: June 15th, 2023

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  • Even if you ignore all the neuromodulatory chemistry, much of the interesting processing happens at sub-threshold depolarizations, depending on millisecond-scale coincidence detection from synapses distributed through an enormous, and slow-conducting dendritic network. The simple electrical signal transmission model, where an input neuron causes reliable spiking in an output neuron, comes from skeletal muscle, which served as the model for synaptic transmission for decades, just because it was a lot easier to study than actual inter-neural synapses.

    But even that doesn’t matter if we can’t map the inter-neuronal connections, and so far that’s only been done for the 300 neurons of the c elegans ganglia (i.e., not even a ‘real’ brain), after a decade of work. Nowhere close to mapping the neuroscientists’ favorite model, aplysia, which only has 20,000 neurons. Maybe statistics will wash out some of those details by the time you get to humans 10^11 neuron systems, but considering how badly current network models are for predicting even simple behaviors, I’m going to say more details matter than we will discover any time soon.


  • I think about the Vision like I think about a new Gucci bag or a new set of Air Jordans. There’s a small, but very visible, community that is super into that product, probably for reasons not related to its actual functionality. The difference is that there’s a lot of overlap between Apple fans and broader technology enthusiast groups, where we’re more isolated from the Gucci and Jordan communities. There are lots of brand-based fan groups who will happily accept branded merch or content, but not interpret that as ‘advertising.’

    The rest of the world tolerates spyware and especially ads if they feel like the product is worth the intrusion. There’s a reason Meta doesn’t have a logo watermark foating in the corner of Quest view field. There’s a reason VR is still very niche, almost entirely limited to gaming.

    Maybe Vision’s AR experience will change that. Maybe viewing your entire life through a video camera with overlaid graphics has real-world value beyond privacy in co-working spaces. I doubt that value is $3000 and think Vision is more like Apple’s Newton than Apple’s iPhone.




  • In a federated system, users on Alice can see and post into communities hosted on Bob, eg alice/c/funplace@bob. When Meta tries to join, Alice chooses not to federate - avoid giving meta free content, protect its users from ‘bad’ meta communities, preemptively block toxic meta users, whatever - but Bob does federate. Alice users can’t see meta/c/advertising, there’s no way to subscribe to Alice/c/advertising@meta. Both Alice and Meta users can see Bob/c/funplace, and so alice users can see anything that meta users post there and meta ‘gets’ any content that alice users contribute. Bob effectively acts like a tunnel between alice and meta users.


  • tburkhol@lemmy.worldtoFediverse@lemmy.worldWhat should we do about Threads?
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    1 year ago

    if I can communicate with them from my Mastodon account, I would like to have that option.

    That’s the Embrace part, and it is mutually beneficial. Later on, Threads may give your Mastodon account a special color to mark you as one of the crazy socialists, and let their own users exchange unique awards, super-boosts, or other neat Extended features. Then connection between Threads and Mastodon-at-large becomes unreliable due to technical differences in protocol or just volume of content. Threads users see a handful of their friends drop off for no apparent reason, but ‘classic’ Mastodon users lose almost everyone and the platform is effectively Extinguished.


  • In the grand scheme, though, no one uses either mastodon or lemmy. I’m sure, to the devs and people who joined before 2021, that a couple million users seems like an enormous victory (and it is), but relative to a half billion twitters, the 1.5 billion instagrammers, or even the 5+M that signed up for Threads on the first day, it’s nothing.

    Those Threads users aren’t part of Lemmy or Mastodon, they’re part of Threads. They don’t have to know what Lemmy or Mastodon are, even as they benefit from content created there. Once Threads is big enough, they either DOS non-corporate instances with mountains of data, disable those instances with protocol-breaking customizations, or just ignore them because all the biggest communities and content are hosted at Threads.

    When mozilla & google started working together, Firefox was the majority browser and chrome a ridiculous upstart trying to squeeze into a domain dominated by IE and FF. The fediverse does not have mozilla’s power in that analogy. I mean, fediverse may survive after that, but the commercial players will absolutely siphon off anyone who cares more about the user experience and content than about privacy on a public forum, which probably means the user base of July 2022, not July 2023.