Nokia sales tumble overshadows Lumia pick-up

... falling behind rivals Samsung and Apple in the smartphone race. He made the controversial decision to switch to Microsoft's untried Windows Phone software in early 2011 and had said the transition would take two years, a period that's now over. ...

http://www.foxbusiness.com/news/2013/04/18/nokia-sales-tumble-overshadows-lumia-pick-up/