Actually, I have.
Shredding, NIST, the whole nine. Facebook isn't protecting classified nuclear secrets, or the keys to the financial kingdom, it's protecting pictures of cats and drunk college parties. And outside of a few special places, such as the DoD, NOBODY CARES about the file system issues.
the kind that can prevent you from getting that job you want 15 years afterwards? Facebook may be a private company, but would you want them (or anyone) disgorging all their data on you that they've ever had in response to a government subpoena - for a background check or a security clearance, for example?
What this all information is gathered for? One of main known goals is "personalized shopping experience" in marketing speak. For some people to be presented while shopping with prices 50% higher than they would be otherwise just because analysis of the information gathered about them would show that they would buy at this price would be equivalent to losing the keys to their personal financial kingdom.
