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Mastodon's official stance on Threads
(blog.joinmastodon.org)
This is a most excellent place for technology news and articles.
Not much different than torrents. With torrents you'll need a VPN to connect through, with usenet you need a news server to connect to. Torrents need a client, so do nzbs. You have to go to an indexer to search for torrents, same thing with nzbs. Really the biggest difference is you connect to a dedicated, paid for server instead of a connection of peers.