Motorola today warned that the company's cellphone business has continued to drag on its performance over the first quarter of 2009 ended in March. The company said its shipments of phones plunged from 27.4 million in early 2008 to 14.7 million a year later, a drop of 46.4 percent. The Mobile Devices group itself lost $509 million and was the primary factor behind a $231 million total loss for t
