As part of the unfolding scandal that led to the resignation of CIA Director Gen. David Petraeus, the FBI read massive amounts of private email messages that uncovered an affair between Petraeus and his biographer Paula Broadwell. Our email privacy laws are hopelessly out of date.

If we learn nothing else from the Petraeus scandal, it should be that our private digital lives can become all too public when over-eager federal agents aren’t held to rigorous legal standards. The other thing we should learn from the Petraeus scandal is that you should never put something in an email that you wouldn’t want someone else to read or that can come back to haunt you!