I just discovered that Edward Stoever from the database-expert.com wrote an article in 2600 Magazine about Hacking Encrypted HTML (warning: pdf link, here's Google's HTML cache of it).

What does that have to do with me?

Well, I'll quote from the article:

My personal favorite way of encrypting text strings can be found here:

Guymal's utility is easy to use, quick and free.

Another rung in the ladder towards being the king of all media... :o)