Every year is the year of the linux desktop lol

Fwiw, Messeger does have e2e encryption, just opt in only afaik. Whether or not you trust meta with that is another matter, but it is there.

Is this something thats actually in the reddit ranking system. I.e reddit will activly push posts/comments from high karma accounts higher? Or just that high karma accounts tend to get more upvotes, etc ?

Im not familiar with the lemmy source code but i would imagine it would batch fetch comments all at once with one api call (or maybe a few if the thread is big enough). Fewer api calls is less load on a lemmy server, less chance that any one of the calls them fails, etc. At least, if i wrote lemmy id i would do something like that.

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How fast can one really read 6000 post ? Assuming you read 100 post a minute, is that 1 hour of usage before getting cut off for the day? I dont really have a feeling how many posts a normal twitter user would go through in a minute.