anchor.diff:  "Sony Ericsson", "Xperia Play", "Phone"
   "Sony Ericsson", "Xperia Pro", "Phone"
   "Sony Ericsson", "Xperia Ray", "Phone"
  +"Sony", "Tablet S", "Tablet"
   "Sony", "Xperia S", "Phone"
  +"Toshiba", "AT 200", "Tablet"
  +"Toshiba", "Excite 7.7, 10, 13", "Tablet"
  +"Toshiba", "Thrive", "Tablet"
  +"Viewsonic", "G Tablet", "Tablet"
   
  
positive.code: "Samsung", "Galaxy S III", "Phone"
  "Samsung", "Galaxy S Pro (Epic 4G)", "Phone"
  "Samsung", "Galaxy Note", "Phone"
  "Samsung", "Illusion", "Phone"
  "Samsung", "Infuse 4G", "Phone"
  "Samsung", "Nexus S", "Phone"
  
negative.code: "HTC", "Sensation 4G", "Phone"
  "HTC", "Thunderbolt 4G", "Phone"
  "Huawei", "Impulse 4G", "Phone"
  "Huawei", "MediaPad 7", "Tablet"
  "Huawei", "Mercury", "Phone"
  "Kyocera", "M9300 (Echo)", "Phone"
  "LG", "G2X", "Phone"
  