It's unclear, though, whether security and free speech concerns will derail controversial copyright bill after members of a Senate committee voted unanimously in favor of it.
The U.S. Copyright Office plans to endorse the controversial Hollywood-backed bill called the Stop Online Piracy Act.
In push to get legislation through Congress, senator invites giants like Google, Visa, and Verizon to testify about bill that would require them to do more to combat piracy.
An influx of visitors to Senate Web sites during the copyright protest knocked them temporarily offline. But the Capitol switchboard stayed up.
Majority Leader Harry Reid, a Democrat, has scheduled a floor vote on Hollywood-backed bill for January 24, as soon as the Senate returns from the holidays.
A little-noticed section of the Stop Online Piracy Act could require deep-packet inspection and blocking IP addresses of copyright-infringing Web sites, a significant change from earlier versions.
Proponents and detractors of the Stop Online Piracy Act enlist new allies, while pop icon Justin Bieber suggests a U.S. senator "needs to be locked up."
When Google, Amazon.com, Facebook, and eBay turn their Web sites black to protest the Stop Online Piracy Act, you'll know they've become serious. It may actually happen. Plus: four other 2012 predictions.
Hollywood-backed Stop Online Piracy Act goes further than earlier versions and targets software that can "bypass" or "circumvent" anti-piracy blocks. The Tor Project worries it could be at risk.
CNET learns that the agency will reveal it is "increasingly unable" to conduct some types of electronic surveillance because of Web-based e-mail, social networking sites, and P2P technology.