hikaru755@feddit.detoAnnouncements@lemmy.ml•We're the creators of Lemmy, Ask Us Anything. *Starts Monday, 7 Aug, 1500 CEST*English
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1 year agoThey speak the same protocol, but afaik Lemmy doesn’t really have a concept of following Posts from a user instead of Posts to a community, so you won’t see Mastodon posts on Lemmy.
Basically, anything that involves the data being present somewhere in information systems that you control. Taking decisions based on it, displaying it on a webpage, make decisions based on it, even just storing it, all counts as processing under GDPR.