In case you have not heard, many websites are going to "blackout" in protest of SOPA or "Stop Online Piracy Act" which if passed will effectively kill the Internet as we know it. Along with SOPA is a bill called PIPA or "Protect IP Act" which to be honest is not to different from SOPA.
Anyway check the list of sites that will blackout tomorrow Jan. 18th
Here is a few sites joining the blackout:
Check out the link and see who is blacking out. And while your at it look into SOPA/PIPA and its negative effects to Internet freedom.