anchor.diff:  "Samsung", "Illusion", "Phone"
   "Samsung", "Infuse 4G", "Phone"
   "Samsung", "Nexus S", "Phone"
  +"Samsung", "Nexus 10", "Tablet"
   "Samsung", "Stratosphere", "Phone"
   "Samsung", "T-Mobile Sidekick 4G", "Phone"
   "Sony Ericsson", "Xperia Arc", "Phone"
  
positive.code: "LG", "G2X", "Phone"
  "LG", "Lucid", "Phone"
  "LG", "Marquee (LS855)", "Phone"
  "LG", "Optimus 2X", "Phone"
  "LG", "Optimus Black (P970)", "Phone"
  "LG", "Optimus Slider", "Phone"
  "LG", "Optimus Z", "Phone"
  "LG", "Optimus 3D", "Phone"
  "LG", "Optimus 4G, LTE", "Phone"
  
negative.code: "HTC", "Amaze, 4G", "Phone"
  "HTC", "Desire S", "Phone"
  "HTC", "Desire HD (AT&T Inspire 4G)", "Phone"
  "HTC", "Desire C", "Phone"
  "HTC", "Desire V", "Phone"
  "HTC", "Desire Z (T-Mobile G2)", "Phone"
  "HTC", "Doubleshot (T-Mobile myTouch 4G)", "Phone"
  "HTC", "Droid Incredible", "Phone"
  