http://www.informationweek.com/security/privacy/petraeus-snoop-7-privacy-facts/240142247?google_editors_picks=true
*massive editing ahead*
2. Email Location Information Isn't Protected
3. Surveillance State Thriving
5. Email Privacy Protections Expire After 180 Days
6. Email "Minimization" Requirements Vague
*editing over, full article at link above*