TechCrunch: “The fact that Facebook probably has a profile of you whether you’re a Facebook user or not might come as a surprise to some users, though today even the company’s chief executive denied knowledge of the practice — or at least the term used to describe it. In the [April 11, 2018] hearing with the House Energy and Commerce Committee, New Mexico Representative Ben Lujan cornered Mark Zuckerberg with a question about so-called “shadow profiles” — the term often used to refer to the data that Facebook collects on non-users and other hidden data that Facebook holds but does not offer openly on the site for users to see…

“Lujan: It may surprise you that we’ve not talked about this a lot today. You’ve said everyone controls their data, but you’re collecting data on people who are not even Facebook users who have never signed a consent, a privacy agreement. And it may surprise you that on Facebook’s page when you go to “I don’t have a Facebook account and would like to request all my personal data stored by Facebook” it takes you to a form that says “go to your Facebook page and then on your account settings you can download your data.”So you’re directing people that don’t even have a Facebook page to sign up for a Facebook page to access their data… We’ve got to change that…”