We’re not sure how many times we have to say this, but offering your premiere piece of hardware as a carrier exclusive is not a good idea. New research from Chitika shows that Amazon’s Fire Phone hasn’t been a smashing success so far and that Amazon’s decision to make it an ATT exclusive may be a big part of the reason why. FROM EARLIER: Amazon’s Fire Phone looks like 2014’s most epic flop “While the Fire Phone was listed atop Amazon’s Best Seller list for several days in early August, North American usage of the device has grown only incrementally, rather than exponentially, in the three weeks following the smartphone’s launch as an ATT exclusive,” writes Chitika. “Usage rates of