https://www.thelocal.de/20160223/nsa-eavesdropped-on-merkels...
But this being sponsored research (Microsoft) brings me to thinking of the old ARC cache licensing problem.
http://www.varlena.com/GeneralBits/96.php
The issue mentions 3 Clause BSD, which will probably be implemented today.
(long term lurker here)
https://www.thelocal.de/20160223/nsa-eavesdropped-on-merkels...