Support for Joomla 1.5, Joomla 1.7, Joomla 2.5 and Joomla 3.x
Support Responsive layout
Allow to change height/width of module
Support font family
Allow to change color of border
Allow to fix numbers of fans
Support all browsers
Not as simple to use, and directions online although clear, don't seem to provide enough example for the type of different facebook feeds that exist.