[rmykhajliw]

If I were a FB owner or in this research data I'll put all my skill to deanonmaze those HIIPA medical data because it's clearly a golden mine for insurance companies and pharmacy. This's really easy to sell those users and their data, because of high demand.

[codedokode]

It would be super easy. Facebook has both source data for a person and the hash that was generated. So they can always reverse the hash.