Thought experiment: if after 5/25, I download my data, then revoke consent and delete my account, then a while later reactivate my account and log back in -- if any of my previous personal data is tied to my "new" account, have I proven that my personal data wasn't entirely deleted since Facebook could still uniquely identify me?
If you delete your account, only your data is erased, not your "ghost profile". I don't know if it is the official term but your ghost is all the data Facebook has about you that doesn't come from you. For example, friends can talk about you and even tag you even if you never touched Facebook. It means that if you are the only one within your group of friends not using Facebook, they already know pretty much everythi…
It is not the official term, because Zuck is shocked—shocked!—at the term:
> Lujan: So these are called shadow profiles, is that what they’ve been referred to by some?
> Zuckerberg: Congressman, I’m not, I’m not familiar with that.
(https://techcrunch.com/2018/04/11/facebook-shadow-profiles-h...).
(OK, I realised just after posting that you said 'ghost profile', not 'shadow profile'. Anyway, my snarky point stands that there is no official term for this, because it doesn't officially exist.)