Research firm Canalys has reinforced the observations that the strong growth of iPhone and Blackberry sales has come at the expense of Nokia's market share in the smartphone segment, according to Reuters. The analysis showed a drop in Nokia's share from 51.4 percent in last year's quarter to 38.9 percent this year. In contrast, Apple grew to 17.3 percent while RIM also gained share to reach 15.2 p
