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Among apps vying to replace Twitter, Bluesky may have the news and innovation edge
(www.niemanlab.org)
This is a most excellent place for technology news and articles.
Hashtag follows were a game changer for my experience. The people that remember to use them usually care about what they're saying, too, and seem to be more invested in the Fedi way of doing things.
I also recommend https://fedi.tips/ for getting started.