ICYMI: "Facebook sent a doctor on a secret mission to ask hospitals to share patient data" (FB)

That goes beyond:

2004

• Zuck: Yeah so if you ever need info about anyone at Harvard
  Zuck: Just ask
  Zuck: I have over 4,000 emails, pictures, addresses, SNS
  [Redacted Friend's Name]: What? How'd you manage that one?
  Zuck: People just submitted it.
  Zuck: I don't know why.
  Zuck: They "trust me"
  Zuck: Dumb fucks
  • Instant messages sent by Zuckerberg during Facebook's early days, reported by Business Insider (May 13, 2010) via WikiQuote

and sounds damn close to a HIPAA violation, among other things.

From CNBC:

Facebook has asked several major U.S. hospitals to share anonymized data about their patients, such as illnesses and prescription info, for a proposed research project. Facebook was intending to match it up with user data it had collected, and help the hospitals figure out which patients might need special care or treatment.

The proposal never went past the planning phases and has been put on pause after the Cambridge Analytica data leak scandal raised public concerns over how Facebook and others collect and use detailed information about Facebook users.

"This work has not progressed past the planning phase, and we have not received, shared, or analyzed anyone's data," a Facebook spokesperson told CNBC.

But as recently as last month, the company was talking to several health organizations, including Stanford Medical School and American College of Cardiology, about signing the data-sharing agreement.

While the data shared would obscure personally identifiable information, such as the patient's name, Facebook proposed using a common computer science technique called "hashing" to match individuals who existed in both sets. Facebook says the data would have been used only for research conducted by the medical community....MORE

Possibly related, Bess (DealBreaker) Levin at Vanity Fair:

Mark Zuckerberg Beta-Tests New Apology Algorithm