Nowadays facebook has been main requirement in daily life, almost everyone either open facebook in office or in campus so that not so little facebook network has been blocked in office, campus or other places.
Although facebook network has been blocked in your office, campus or another places please don't be confuse because I have a trick to handle it. Here are some proxy you should try to get your facebook network back:
http://www.vimgi.com/
http://proxyextras.info/
http://www.elpizzazon.com/
http://bookfaceoxy.com/
http://facebookpr0xy.info/
http://brandonmwelch.com/proxy/
http://www.webproxyunbloked.info/
http://schoolproxyunblocked.info/
http://www.file-share.us/
http://www.hideagent.com/