Earlier this month, several news outlets reported on a powerful tool in the fight between those seeking anonymity online, versus those who push for surveillance and taking it away.
The tool, ProxyHam, is the subject of a recently canceled talk at DEF CON 23 and its creator has been seemingly gagged from speaking about anything related to it. Something's off, as this doesn't seem like a typical cancellation.
http://www.csoonline.com/article/2947377/network-security/privacy-talk-at-def-con-canceled-under-questionable-circumstances.html
http://uk.businessinsider.com/proxyham-anonymising-router-project-mysteriously-closed-down-government-rhino-caudill-2015-7?r=US#ixzz3foJMnjse
