Automatically decorates the Google Reader subscription list with icons corresponding to the website from which each feed originates.
Colorizes the item headers in Google Reader list and expanded views.
Displays the number of unread emails from your inbox on the tab icon.
Maximize iGoogle (Google personalized home page) gadgets Area. Hides search box (new search link on links bar). Hides footer.
Adds a "Preview button" that allows you to view actual article in a frame. Clicking again on that button goes back to RSS view.
Adds a small bar at the top of articles linked from digg made to look like the digg toolbar. This allows you to digg the article directly from the article page after you read it without having to return to digg!