Doing my daily scour through Google's robots.txt file, I noticed a brand new entry that led me to a new not-quite-ready-to-be-launched service -- or at least a new way of representing information they know about you.
This file hosted on Google's web server told me that visiting "http://www.google.com/reviews/search?" would lead me to something -- and it did. This website shows you all the "reviews" you have made through Google properties. For example, it shows me one I made with the new Google Base "rating" feature a few days ago (even though it says it is from the 70's).
In addition to things like Google Base reviews, it also shows all your bookmarks from the Google Toolbar -- review or not. I don't know how practical it would be for everyone else, but I would like if they also offered the ability to delete reviews from here. Instead, if I want to scratch something from the record, I have to figure out where my review actually lives before I can get rid of it.