For people with the Opera web browser, Facebook Preview is a good application to read about. The application effectively integrates Facebook notifications into the Opera web browser. The notifications are exactly the same as what you see on Facebook.
Facebook Preview is able to display notifications, messages, and friend request sent from Facebook. Moreover, Facebook Preview is able to let you resize the Facebook logo. Thanks to Facebook Preview, there is no need to open the Facebook web page all the times.
All notifications can be automatically opened in Opera. So you might need to log into your Facebook account. Facebook Preview is non-intrusive and can be placed wherever you want it in your web browser. It is a good and convenient application that will keep you connected to Facebook.