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Long story short Activity Pub only pulls the content it needs from remote servers when it needs it and can choose how to handle media (serve the original or cache and proxy). It already is similar-ish to a CDN.

AT-Proto is super complex, but my understanding is that a new server (app in AT-Proto parlance) needs to copy everything beforehand from all others, and needs to constantly replicate everything, wether it will be served or not, making the data transfers intractably massive.

Going forward, there will be a new Reels feed that includes videos that your friends have liked or commented on, so you can see what your friends have watched and what they like. Your friends will also be able to see the videos that you have liked, which is something to be aware of.

[…]

Instagram used to have a dedicated Activity feed that offered up this information, but it was removed several years ago. It is not yet known if Instagram plans to provide an opt-out for the new feed.

This is a bit terrifying privacy wise. I’ve heard dubious things back when the activity feed was a thing about how it was used. This feels like a recipe for outing people in personal ways they didn’t expect, especially after they probably got used to Instagram likes not being exactly anonymous but close enough as they didn’t get disclosed to other people.

As much as I’d love to see Linux become a big player in the market, this article is completely wrong on why Microsoft is selling Windows in the cloud and the ultimate result of it.

My bet is that Windows in the cloud is being developed and will be targeted to enterprise clients that already use similar solutions for having secure environments for their employees, such as Citrix or VmWare solutions, or RDP desktops.

They don’t want to kill the desktop with the cloud, they want to steal market from older enterprise big players and increase their cloud dependency among businesses.