"Mass surveillance is effective for many things but it does not save lives" @Snowden #EstorilConferences pic.twitter.com/b9X3GOCUXL
— Estoril Conferences (@EstorilConf) May 30, 2017
"Mass surveillance is effective for many things but it does not save lives" @Snowden #EstorilConferences pic.twitter.com/b9X3GOCUXL
— Estoril Conferences (@EstorilConf) May 30, 2017