It's also worth mentioning that the Federal Bureau of Investigations (FBI) also served the non-profit Internet Archive (IA) a National Security Letter (NSL) in

It's also worth mentioning that the Federal Bureau of Investigations (FBI) also served the non-profit Internet Archive (IA) a National Security Letter (NSL) in 2007. After a joint lawsuit filing of the Electronic Frontier Foundation (EFF) and American Civil Liberties Union (ACLU) challenging the NSL, the gag order and the constitutionality of the NSL on behalf of the IA - the FBI withdrew the NSL as well as the gag order. [1] As such, the gag order and NSL was never invalidated in IA, Brewster Kale (ACLU, EFF) vs. FBI. [1] https://www.aclu.org/internet-archives-nsl-challenge https://www.aclu.org/internet-archives-nsl-challenge