paulproteus writes: "Say you have an email where you want to send an extra copy to someone without telling everyone. There's always been a field for that: BCC, or Blind Carbon Copy. But how often have you wanted to do the opposite: make everyone else think you sent a copy to somebody without actually having done so? Enter the new IETF-NG RFC: Cosmetic Carbon Copy, or CCC. Now you can conveniently email all of your friends (with a convenient exception or two...) with ease!"