Actually there are various sub-designations for unclassified material[0]. Just because it's unclassified does not mean it's not confidential, or problematic if

Actually there are various sub-designations for unclassified material[0]. Just because it's unclassified does not mean it's not confidential, or problematic if certain individuals have access to it. The burden of classifying all communications would be too great, too restrictive. Everything electronic would have to be over classified networks, leaks would have to be handled appropriately, and nobody could ever have a public conversation about anything. Doesn't mean everything should be plaintext in gmail though. [0] http://en.wikipedia.org/wiki/Sensitive_but_unclassified http://en.wikipedia.org/wiki/Sensitive_but_unclassified