The Encryption Effort
Sure, all the technology is at hand. Anyone with a technical bent or a compelling need can install, say, PGP and encrypt his messages. I could do that, but I haven't because I don't know a single person I correspond with who could then read my messages. At the current state of communications software, encryption is suited for dedicated email among a few, well-defined partners. It can be useful for internal communications at a given organization where an IT staff can enforce and manage keys, but otherwise forget about it.
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