I would assume that all data possible is gathered and stored somehow. For all intents and purposes, this is a public forum. Specific instances might deal with data in different ways, but the nature of federation is that your data is passed around and viewable by others.
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I would assume that all data possible is gathered and stored somehow. For all intents and purposes, this is a public forum. Specific instances might deal with data in different ways, but the nature of federation is that your data is passed around and viewable by others.