Via Anthony Mayfield , via Data Mining I found this topic visualisation mechanism at Neoformix. You can paste in a load of text and get back a drawing which represents in visual form, some kind of analysis of the relative weight of different topic types contained within the text. The next stage might be to be provide a list of URLs and get back a matrix of such flowers, so that patterns across multiple blogs or other texts might be recognised.
This one is from selecting all text in the current front page:
And this one is from a text dump of my previous Movable Type blog which was hosted at ultralab and so is currently offline, but will be republished in a few days on WordPress 2.
What does your blog flower look like?