The link below introduces a courageous young man who, like the hedgehog, knows something about survival in a world of foxes. He in turn introduces a radical way to communicate without being found out by drug lords or governments or eavesdroppers of any sort. His new free tech-product can make the world a safer place, if citizens will use it to hold thugs of all stripes accountable. (A society which cannot hold violators accountable is destined to devolve into chaos.)
http://www.wired.com/threatlevel/2012/07/crypto-cat-encryption-for-all/