Facebook is growing to be one of the most popular social networks and its better than MySpace also. Facebook being a popular social network might be blocked in offices, schools and colleges. There are many ways to unblock facebook in offices, colleges and schools. One of the easiest way is to use Facebook when it is blocked is to use proxy sites. Here is a list of proxy sites which can open Facebook when blocked.
Apart from this, you can also use a remote connection to a PC which has access to Facebook. You can also access Facebook from Mobile phone using Opera or Opera Mini.