Reader Millington's new book is out.
You should read Acts of gord
Would this experiment work in the UK? I doubt it, but would like to try :)
A perhaps useful resource i put together - the HTML entities table. Because it's online (i already have it in book form, many times over), you can actually see which entities work in which browsers. Snazzy. The table is generated on the fly from the W3C entity DTD.