Facebook is reported to be using a shadow profile of non-facebook users. Mastodon stated that whenever you interact with a Threads user it will be recorded by Facebook. All they have to do is join a conversation as a lurker, and your data is sent to Facebook. Given a few more points such as time of day and topic they can start to narrow downwho you are. Add your profile picture, and manner of speech an AI, which they have a multitude of, can generate a probability of who is communicating. Over numerous interactions the law of six degrees of separation will have you nailed down. In some countries this is potentially a problem over data retention, but they’ll have lawyers looking night and day for a way around those trifling laws. Willingness to federate might be seen as consent by default in some cases.
Facebook is reported to be using a shadow profile of non-facebook users. Mastodon stated that whenever you interact with a Threads user it will be recorded by Facebook. All they have to do is join a conversation as a lurker, and your data is sent to Facebook. Given a few more points such as time of day and topic they can start to narrow downwho you are. Add your profile picture, and manner of speech an AI, which they have a multitude of, can generate a probability of who is communicating. Over numerous interactions the law of six degrees of separation will have you nailed down. In some countries this is potentially a problem over data retention, but they’ll have lawyers looking night and day for a way around those trifling laws. Willingness to federate might be seen as consent by default in some cases.