Unprecedented Censorship
A congressional “tech mandate” on search engines to delete a domain name from search results does not result in the website disappearing. Users can and do today find their way to these websites largely without the help of search engines. Relative to the questionable efficacy of this proposed remedy, requiring search engines to delete a domain name begins a worldwide arms race of unprecedented “censorship” of the Web.
— From a letter written by Vint Cerf to Rep. Lamar Smith (R-Texas), the House Judiciary chairman and author of SOPA, warning of the dangers of the bill