I am such a facebook noob. When I think of facebook design, all that comes to mind is walls of light blue text on white and pages and functionality that I find

I am such a facebook noob. When I think of facebook design, all that comes to mind is walls of light blue text on white and pages and functionality that I find difficult to navigate. What am I missing? (I did that reloading background image thing back in 99 if I recall, but you don't find my valuation at 20 gazillion dollars. :( )