PGP, an acronym for Pretty Good Privacy, was originally created as a free tool by Philip Zimmermann in the early nineties to allow for private email correspondences and bulletin-board service postings.

FORBES: Symantec Acquires Encryption Provider PGP For $300 Million

This gem, however, traded in a nether region of the investing world called the OTC Bulletin Board, a newly popular electronic service that links marketmakers in the shares of small companies.

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