Really well, reviewed in TechCrunch, this is a new, open source social bookmarking tool. Apparently, it allows you to upload and bookmark all kinds of files.

 

Google Notebook makes web research of all kinds – from planning a vacation to researching a school paper to buying a car – easier and more efficient by enabling you to clip and gather information even while you're browsing the web.

And since Google Notebook lives in your browser, you won't be left with a scattered collection of notes, Word docs, and browser bookmarks to sort through; all your web findings will be gathering into one organized, easy accessible location that you can access from any computer.

article on museums' use of tagging to help users access images (community cataloging, they say)