[1]: http://www.theregister.co.uk/2015/03/23/want_to_protect_yourself_in_a_snoops_paradise_you_probably_cant/
  [2]: http://www.wilderssecurity.com/threads/isp-question-regarding-anonymous-browser.177543/#post-1024865
  [3]: https://www.f-secure.com/weblog/archives/00001321.html
  [4]: http://www.wilderssecurity.com/threads/how-do-isps-keep-track-of-where-we-visit.98278/