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Bluesky posts are finally open to the public
(www.theverge.com)
This is a most excellent place for technology news and articles.
Ah well afaik there is no such thing but i started looking for hashtags of my hobbies and found some nice profiles.
After you follow a few of them you can look into the recommended tab and will see quite a few similar people.
Someone here also told me about LisaMelton. She will throw many cool things into your timeline if you follow her.