What do you want to know today?
Brad Choate's blog uses referral data in a really clever way. Search Google like so:
Look for the item entitled [brad choate dot com] MT TrackBack -- it's a few screens down, if you're set to 10 items per screen.
Or was. After posting this item, I rechecked and couldn't find it. The non-repeatability of these Google-related demonstrations is frustrating.
Anyway, on visiting that URL, the blog reported:
It appears you arrived here from a search engine. Here's few results from a search of my site for the keywords 'trackback movable type':
In other words, it searched itself (using Atomz, in this case, I believe) and expanded the Google query within its local space. Nice!
Elsewhere, Brad reports that Eliot Landrum's MT-RefSearch does something similar for a PHP/MySQL-powered blog.