Ivan ##ov and Rebecca MacKinnon : Congress is mulling bills to stop online piracy . Laws would make social media users proactively police for copyright infringement , they say . They say drafters mean to protect copyright , but effect would be to stifle dissent . Writers : Laws should reflect Congress ' s commitment to protect rights of Internet users globally .
Ivan Sigal and Rebecca MacKinnon say Congress is mulling bills to stop online piracy . Laws would make social media platforms proactively police for copyright violations , they say . They say drafters mean to protect copyright , but effect will be to stifle dissent . Writers : Laws should reflect Congress ' stated aim to protect rights of Internet users globally .