Nobody in their right mind would dump their desktop or notebook PC for a smartphone, but plenty of people are willing to own both as they seek to stay connected and check email on the fly. Underscoring this point is fact that smartphone sales in 2011 skipped ahead of PC sales, and by a pretty wide margin, according to data released by Canalys. Canalys says vendors shipped 158.5 million smartphones in the fourth quarter of 2011, up 57 percent on the 101.2 million units shipped in the same quarter one year prior. [......]











