This is the default footer layout. You can easily add or remove columns in the footer.Just go to Admin area > Appearence > Clear Line Options > Footer and select column number and their width.
Every footer column is the widget area. Go to Admin area > Appearence > Widgets and add what you like here.
Source:
http://www.thekindlebookreview.net/2012/10/15/kbr-girls-talk-about-video-jackets/