As much as we were hoping to get some definitive statements from AT&T and Verizon's Q1 2011 financials about the Verizon iPhone's impact on the smartphone market, none were really forthcoming. It's left to analyst outfits like the NPD, therefore, to try and parse the data for us and read between the official lines. The latest numbers from the NPD Group's Mobile Phone Tracker indicate that Apple's share of US smartphones sales jumped from 19
