These are nice handy features
In Firefox, go to address box and type more than one word separated by spaces and enter. Firefox will automatically search the string using google and shows the first hit of the search result (I'm feeling lucky option). You can get to address bar using F6 key.
In bloglines, go to a feed that you have subscribed. On the top of the page, you get to see the number of subscribers of that feed. Click the link to get all the public subscribers.