Consulting firm Canalys has just published its calculations for the North American smartphone market in the first quarter of this year, and the news is pretty dire. Overall, the market has reached a five-year low, with total shipments of 36.4 million units. That's down 18% from Q1 of 2018, but it's not bad for all companies. Samsung, for example, has managed to grow its market share from 23.2% in the year-ago quarter to 29.3%, but because the market fell, that was accomplished with a sales growth of just 3% - from 10.3 million units last year in Q1 to 10.7 million between January and March...