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: "Motorola", "Droid 4", "Phone"
  "Motorola", "Droid Bionic", "Phone"
  "Motorola", "Droid Pro (Milestone Plus)", "Phone"
  "Motorola", "Droid Razr", "Phone"
  "Motorola", "Droid Razr Maxx (4G)", "Phone"
  "Motorola", "Droid X (Milestone X)", "Phone"
  "Motorola", "Droid X2", "Phone"
  "Motorola", "Photon, Photon 4G", "Phone"
  "Motorola", "Triumph", "Phone"
  "Samsung", "Admire", "Phone"
  "Samsung", "Conquer 4G", "Phone"
  "Samsung", "Continuum (i400)", "Phone"
  "Samsung", "Droid Charge 4G LTE (Inspiration, Stealth)", "Phone"
  "Samsung", "Galaxy Gio", "Phone"
  "Samsung", "Galaxy Nexus", "Phone"
  "Samsung", "Galaxy Pro", "Phone"
  
negative.code: "HTC", "Merge", "Phone"
  "HTC", "One S", "Phone"
  "HTC", "One V", "Phone"
  "HTC", "One X (X+)", "Phone"
  "HTC", "One XL", "Phone"
  "HTC", "Raider 4G LTE", "Phone"
  "HTC", "Rezound", "Phone"
  "HTC", "Rhyme", "Phone"
  "HTC", "Sensation 4G", "Phone"
  "HTC", "Status (ChaCha)", "Phone"
  "HTC", "Thunderbolt 4G", "Phone"
  "Huawei", "Impulse 4G", "Phone"
  "Huawei", "MediaPad 7", "Tablet"
  