1. Tor2web: browse the anonymous internet. http://tor2web.org.
2. Gmail CSRF Security Flaw. http://ajaxian.com/archives/gmail-csrf-security-flaw, 2007.
3. M. Aguilar. If You Kill Someone, Don't Google How to Do It First. http://gizmodo.com/5916184/if-you-kill-someone-dont-google-how-to-do-it-first, June 2012.
4. Alexa Web Information Company. Top Sites in United States (April 2015). http://www.alexa.com/topsites/countries/US.
5. S. Antonatos, P. Akritidis, V. the Lam, and K. G. Anagnostakis. Puppetnets: Misusing Web Browsers as a Distributed Attack Infrastructure. ACM Transactions on Information and System Security, 12(2), 2008.