A new form of encryption.
CompuServe recently banned the use of Welsh on its server as it would not be able to monitor the traffic. Encryption whether it be into PGP, or Welsh is in itself a challenge to authority.
-- "Communication (3) Language", The Raven, Anarchist Quarterly, vol. 9, no 2, page 109. ISSN 0951 4066, Spring 1997.