Purely anecdotal, but really seen a lot of non-posting as of a few years. The posting frenzy on Instagram ended years ago. People will post to promote an occasional creative project, repost a political infographic, maybe a significant celebration. But it's mostly a smattering of Posters still going
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I reckon the stats back me up, but don't care enough to look it up lol
I've seen a lot of users deleting all their pictures or just having minimalist profil on insta and occasionally post stories, but they lurk a lot, every day.

