In case that you were not aware. A new law will be passed in the senate as early as January 24th. What this would mean is that what we know of the Internet could change by controlling our freedom to express our selves and it could bring websites like Facebook to track what we post, etc.
here is a video if you would like more information
PROTECT IP / SOPA Breaks The Internet from Fight for the Future on Vimeo.
See how Google, Wikipedia, and Mozilla has join the act.
I am not an expert in this area so if you would like more info you could visit Mozilla in the source section.