"Altre risorse utili (in inglese) per contestualizzare la portata del SOPA/PIPA: Joi Ito e Ethan Zuckerman, “Why we need to stop SOPA and PIPA” “Internet Blacklist Legislation"" (Electronic Frontier Foundation) Dan Rowinsky, “What You Need to Know about SOPA in 2012"" (ReadWriteWeb) Wikipedia, “Stop Online Piracy Act” Rebecca MacKinnon e Ivan Sigal, “Online piracy laws must preserve Web freedom” (CNN) "