This, in auto correct speak, is one of the many things that might happen if the Stop Online Piracy Act is passed. A committee in the House of Representatives will decide today on whether or not it should be passed to the full House for a vote.
Watch the House debate live, if you're the kind of person who prefers C-SPAN to ESPN.
Contact your local representative if you're a U.S. citizen. If you're not a U.S. citizen, here's the U.S. Dept. of Homeland Security's Naturalization form so you can be represented. You know you want to.