There’s a whole new game in town called PurpleSlurple. Well, it’s not really whole, new or a game but it is very hard to describe exactly what Purple technology is.
Essentially what it *does* is create anchor tags around all key areas of a given website so that individual paragraphs and areas of that website are locatable (or addressable in the language of the PS authors). It’s a fascinating take on building a truly semantic Web and there are very few practitioners in the field that I know of.
Perhaps the visuals will be more interesting than the descriptors. Take a look at this site through the Purple lens: <a href="Deckchairs on the Titanic