1.

You can change your language on Facebook to 'Pirate'.

2.

The Facebook 'Like' button was originally planned to be named the 'Awesome' button.

3.

According to a study, Twitter and Facebook are harder to resist than tobacco and alcohol.

4.

Mark Zuckerberg receives a US$ 1 salary as CEO of Facebook.

5.

A third of all divorce filings of 2011 in the U.S. contained the word 'Facebook'.