A facebook employee explained me how tracking works. Its not the email address Meta is concerned about. Its the IP, device identifiers and location. Meta doesnt care about the email at all apart from sending you emails for notification. Even with a fake email they exactly know who you are. Let’s say you visit CNN.com which has facebook tracker. Facebook has the IP and the device identifiers. Now you login with fake email account on Instagram, facebook knows that’s the IP ans the same device hence it “must” be the same person That’s how facebook creates shadow profiles.

  • ReversalHatchery@beehaw.org
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    1 year ago

    I would highly doubt that. They don’t care, most of them not just willingly but intentionally insert google tracking code and similar.

    • max@feddit.nl
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      1 year ago

      There are definitely a lot of developers that are like that, but you also have the open source junkies. The latter group would go absolutely bananas.