Facebook has been a great revolution in social media and social networking sites history. Facebook has been constantly changing according to the need of time. These days there is nothing you can't do with it which you can do with other social networking site. Even other social media and networking sites copy Facebook for better interface and better user satisfaction. Facebook with their expert and absolutely genius social networking developers is doing an amazing job for their over 1.28 billion users.
Check the following Facebook designs snapshots from 2004-2014 respectively. See how the Facebook User Interface (UI) changed with time.
Facebook in 2004
Facebook in 2005
Facebook in 2006
Facebook in 2007
Facebook in 2008
Facebook in 2009
Facebook in 2010
Facebook in 2011
Facebook in 2012
Facebook in 2013
Facebook in 2014