American Civil Liberties Union; American Library Association; Bill of Rights Defense Committee; Center for Democracy & Technology; Center for Digital Democracy; Common Sense Kids Action; Constitutional Alliance; Consumer Watchdog; Defending Dissent Foundation; Demand Progress; Electronic Frontier Foundation; Fight for the Future; Free Speech Coalition; Government Accountability Project; Castro, Michelle; National Coalition Against Censorship; Network for Public Education; Network for Public Education Action; NYS Allies for Public Education; Parent Coalition for Student Privacy; Parents Across America; Privacy Rights Clearinghouse; Restore the Fourth; Safety Net Project of the National Network to End Domestic Violence; Woodhull Freedom Foundation; World Privacy Forum(7/6/2016)