Relevant HN Discussion: https://news.ycombinator.com/item?id=36673040
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34 points
The Tl;dr is that ‘stuff you write using Fediverse protocols is effectively public, so don’t post stuff you want to keep private’
11 points
The problem arises when facebook links stuff you posted anonymously, with your named account.
2 points
14 points
The same way they do on Facebook and Instagram. By using the vast amount of data they have already collected.
