https://www.periodiko.net/%cf%84%ce%b1-%ce%b4%ce%af%ce%ba%cf%84%cf%85%ce%b1-yahoo-%ce%ba%ce%b1%ce%b9-google-%c2%ab%ce%ad%ce%b2%ce%bb%ce%b5%cf%80%ce%b5%c2%bb-%ce%b7-nsa/
Τα δίκτυα Yahoo! και Google «έβλεπε» η NSA