When you go shopping for a car, are you likely to drive off with whatever happens to be on the lot that day, or are you a buyer who likes to customize? Maybe you know the engine you want, the tires you want, and have everything from color to trim to the options package worked-out to a T. The ability to have such control over your purchases is a luxury that’s extended to other fields – you can have a computer put together with nearly any combination of specs you can dream up – yet it hasn’t made its way to the world of smartphones… yet. Last week, a rumor suggested ...