http://www.iht.com/articles/2006/02/16/business/email.php
Sacha Pfeiffer
"You should never write an e-mail that you are not willing to see preserved forever in history,' said the Boston Bar Association's president-elect, who frequently handles cases that use e-mail as evidence. 'The dangers created by this new world we live in, where everything is recorded for history, are not only that you could be second-guessed at every stage in the context of a civil dispute or government investigation, but that your reputation can be affected by words you don't think you're preserving for posterity - but really are.'"