This post will remain, long after the blackouts of January 18th have come and gone.
SOPA and PIPA are closely-related bills in the US legislature that, if passed, will cripple the Internet. They are scheduled to go up for a vote on January 24th.
This is not a drill.
Google: End Piracy, Not Liberty: sign the petition
StopTheWall.us: protest about PIPA directly to your senator
Learn about the bills (SOPA, PIPA) and make yourself heard.