Mallory Whitt works at her desk Wednesday at the offices of the Wikipedia Foundation in San Francisco. January 18 is a date that will live in ignorance, as Wikipedia started a 24-hour blackout of its English-language articles, joining other sites in a protest of pending U.S. legislation aimed at shutting down sites that share pirated movies and other content. (AP Photo/Eric Risberg)
Read the article: No Wikipedia? What if the Internet went down?