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How social media’s biggest user protest rocked Reddit
(www.theguardian.com)
This is a most excellent place for technology news and articles.
It's worth googling "reddit /u/username" and rechecking your post history (including changing between hot/top/controversial and different time ranges) every few months.
Googling will show up a lot of the posts/comments you have missed using 3rd party deletion tools.
Reddit caches sometimes pull older content from the database or whatever, and you get "access" to it again.