I've always been a fan of bookmarklets, small pieces of JavaScript code saved as bookmarks in your browser. Often they provide features only available if you install a plug-in and they're pretty easy to backup.Here's a small list of bookmarks related to Google's services. Most of them provide features from Google Toolbar. To save them, make sure bookmark toolbar is visible (go to View > Toolbar and check Bookmarks Toolbar, Links or Personal Bar, depending on your browser) and drag the link to the toolbar.
Read more at GoogleSystem.Blogspot.com
