Conflicts of Interest The authors declare no conflicts of interest. References 1 C. statistics, “ National Vulnerability Database” (2001), http://web.nvd.nist.gov/view/vuln/statistics. 2, “ Surfing Google May Be Harmful to Your Security” (2008), http://www.theregister.co.uk/2008/08/09/google_gadget_threats/. 3, “ Twitter StalkDaily Worm Postmortem” (2009), http://dcortesi.com/2009/04/11/twitter-stalkdaily-worm-postmortem/.