privnote is a free web service that allows you to submit completely hidden articles through the Online. It's quick, elementary, and generally not obtrusive asking for a password or user registration. Simply write an article and you'll get a link. You then copy and paste this link into an electric message (or instant message) that you send to the person you wish to read the article. When this person clicks the link for the 1st time, they will notice the article in their own browser and the article will mechanically self-destruct; actually what does it mean, in fact, that no one (not even the same person) can read the note again. The hyperlink will no longer work.