Geoffrey A. Fowler has a piece in the Wall Street Journal that probably will not surprise my readers, but might be a good one for you to point naive relatives or friends to.
He reports, in part:
The most innocuous fragments of your digital life— Facebook posts, even the Find My iPhone app—can be weaponized to target or harass. Meanwhile, data aggregators send their bots to collect anything and everything they can about you: addresses, browsing habits, even estimated net worth. Then they glue it all together, facts and wild guesses alike, into dossiers. That’s the legal side of data collection. Things get scarier when your tax accountant, credit-card company or email provider gets hacked.
Read more on WSJ.