The Facebook Runner is an Opera Extension, will save how much time you spend on Facebook. After installing it starts running only if Facebook tab is active. When Facebook tab is not active, it stops automacially. Learn how much time you spend on Facebook.
It saves values for continuing after restart. In Preferences page you can also change save interval, resetting and show format options.

Requirements:
* Opera 11 or higher

The license of this software is Freeware, you can free download and free use this browser plug-ins software.