>"Thank you for the details, but I must still be missing something. FB shadow profiles aren't valuable to anyone unless they also know who you are, which is my point."
Shadow profiles are valuable to FB as it provides data on the interests of a FB user's real life friends. I don't doubt there's categories along the lines of "has 2 or more friends who regularly frequent wine bars in West London" or something similar.
Shadow profiles are valuable to FB as it provides data on the interests of a FB user's real life friends. I don't doubt there's categories along the lines of "has 2 or more friends who regularly frequent wine bars in West London" or something similar.