iLeonardo looks like a promising social research tool. The “about” page describes iLeonardo as “a Social Utility for connecting to people and their collections of relevant information on the web.” Using a bookmarklet, you can find and clip text, image links, and URLs, and store them in “notebooks”. Or you can find other people who have created similar notebooks and browse and copy from theirs, or collaborate. The tool seems like a cross between Delicious and Google Notebook.
This video may give you a better idea of how it works:
The service is seems to be in a closed beta right now. You can request an account, or let me know and it seems that I can send you an invite.