If you like Google Reader, but would prefer to keep it from taking up an oh-so-important tab in your browser, you'll definitely like GReader Popup. This experimental Firefox extension pulls up a version of Google Reader that sits atop any page you have open. You can plow through feeds using all the usual keyboard shortcuts you would in Google Reader. Then, when done, you simply click the icon in the bottom right hand corner of your browser and it goes away.
No fuss, no tab switching, and most importantly--more real estate in your browser for extra tabs.
It's … Read more