Yes, shadow profiles exist and really show how shallow Facebook's promises of privacy are: https://www.theverge.com/2018/4/11/17225482/facebook-shadow-profiles

Yes, shadow profiles exist and really show how shallow Facebook's promises of privacy are: https://www.theverge.com/2018/4/11/17225482/facebook-shadow-profiles-zuckerberg-congress-data-privacy https://www.theverge.com/2018/4/11/17225482/facebook-shadow-...