anchor.diff:  "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"
  
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: "Motorola", "Droid 4", "Phone"
  "Motorola", "Droid Bionic", "Phone"
  "Motorola", "Droid Pro (Milestone Plus)", "Phone"
  "Motorola", "Droid Razr (Razr HD)", "Phone"
  "Motorola", "Droid Razr Maxx (4G)", "Phone"
  "Motorola", "Droid X (Milestone X)", "Phone"
  "Motorola", "Droid X2", "Phone"
  "Motorola", "Fire XT", "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"
  "Sasmung", "Galaxy Ace", "Phone"
  "Samsung", "Galaxy Gio", "Phone"
  "Samsung", "Galaxy Nexus", "Phone"
  "Samsung", "Galaxy Pro", "Phone"
  