Next time I fly into DFW, I will rent a car, leave the airport, pay the toll, drive there and not buy a phone. Then drive back to the airport, return the rental car and catch my layover...NOT.
Next time I am at DFW, if I want to buy a phone or accessories, I will do it from my phone while taxiing to the gate....and what I ordered will be at my concierge desk when I get home.
I don't need iTalk, Dea, Lee or Levy.