As an act of protest against a pair of legislations – the Stop Online Piracy Act (SOPA) and the PROTECT IP Act (PIPA) – more than a dozen Web sites, including Wikipedia, Moveon.org, Craigslist, Reddit, Boing Boing and the Cheezburger network, have participated in a day-long blackout.
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What is SOPA? Possible Consequences that Could Ruin the Internet