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 protesting pending U.S. legislation aimed at shutting down sites that share pirated movies and other content.

Reddit.com shut down its social news service for 12 hours. Other sites made their views clear without cutting off surfers. Google blacked out the logo on its home page, directing surfers to a page where they could add their names to a petition against the bills.

Local listings site Craiglist took a middle route, changing its local home pages to a black screen directing users to an anti-legislation page. After 10 seconds, a link to the main site appears on the home page, but some surfers missed that and were fooled into thinking the whole site was blacked out.

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