anchor.diff:  "973528","2014-06-10 19:34:10","Mozilla/5.0 (Mobile; rv:18.0) Gecko/18.0 Firefox/18.0","false","aljazeera.com shows neither video nor plays audio, courtesy of BrightCove",""
   "784478","2014-06-10 19:34:12","Mozilla/5.0 (Android; Mobile; rv:23.0) Gecko/23.0 Firefox/23.0","false","taobao.com serves basic mobile site to Firefox for Android",""
   "959133","2014-06-10 19:34:14","Mozilla/5.0 (Mobile; rv:18.0) Gecko/18.0 Firefox/18.0","false","wap.soso.com sends simplified mobile site",""
  -"957517","2014-06-10 19:34:16","Mozilla/5.0 (Mobile; rv:18.0) Gecko/18.0 Firefox/18.0","true","smart.mail.163.com - some odd rendering on login page",""
  +"957517","2014-06-10 19:34:16","Mozilla/5.0 (Mobile; rv:18.0) Gecko/18.0 Firefox/18.0","false","smart.mail.163.com - some odd rendering on login page",""
   "878224","2014-06-10 19:34:17","Mozilla/5.0 (Mobile; rv:18.0) Gecko/18.0 Firefox/18.0","true","",""
   "887224","2014-06-10 19:34:23","Mozilla/5.0 (Mobile; rv:18.0) Gecko/18.0 Firefox/18.0","true","",""
   "933439","2014-06-10 19:34:24","Mozilla/5.0 (Mobile; rv:18.0) Gecko/18.0 Firefox/18.0","true","grooveshark.com doesn't recognize B2G as mobile",""
  
positive.code: "717516","2014-06-11 08:12:19","Mozilla/5.0 (Mobile; rv:18.0) Gecko/18.0 Firefox/18.0","false","",""
  "754404","2014-06-11 08:12:26","Mozilla/5.0 (Mobile; rv:18.0) Gecko/18.0 Firefox/18.0","true","",""
  "966184","2014-06-11 08:12:29","Mozilla/5.0 (Mobile; rv:18.0) Gecko/18.0 Firefox/18.0","false","",""
  "785374","2014-06-11 08:12:31","Mozilla/5.0 (Android; Mobile; rv:23.0) Gecko/23.0 Firefox/23.0","false","",""
  "791520","2014-06-11 08:12:32","Mozilla/5.0 (Mobile; rv:18.0) Gecko/18.0 Firefox/18.0","true","",""
  "878132","2014-06-11 08:12:34","Mozilla/5.0 (Mobile; rv:18.0) Gecko/18.0 Firefox/18.0","true","",""
  "867403","2014-06-11 08:12:40","Mozilla/5.0 (Mobile; rv:18.0) Gecko/18.0 Firefox/18.0","true","",""
  
negative.code: "843141","2014-06-11 07:59:14","Mozilla/5.0 (Mobile; rv:18.0) Gecko/18.0 Firefox/18.0","false","",""
  "828403","2014-06-11 07:59:17","Mozilla/5.0 (Mobile; rv:18.0) Gecko/18.0 Firefox/18.0","true","",""
  "828354","2014-06-11 07:59:20","Mozilla/5.0 (Mobile; rv:18.0) Gecko/18.0 Firefox/18.0","true","",""
  "855450","2014-06-11 07:59:55","Mozilla/5.0 (Mobile; rv:18.0) Gecko/18.0 Firefox/18.0","true","",""
  "804744","2014-06-11 07:59:56","Mozilla/5.0 (Mobile; rv:18.0) Gecko/18.0 Firefox/18.0","true","",""
  "804723","2014-06-11 07:59:57","Mozilla/5.0 (Mobile; rv:18.0) Gecko/18.0 Firefox/18.0","true","",""
  "827628","2014-06-11 08:00:04","Mozilla/5.0 (Mobile; rv:18.0) Gecko/18.0 Firefox/18.0","false","",""
  