Nokia Retains Lead as Mobile-Phone Sales Soar (NewsFactor)
NewsFactor - Worldwide sales of mobile phones skyrocketed to 1.5 billion in 2007, according to research firm Gartner, a 16 percent increase from 2006 sales of 990.9 million. Sales at the end of the year matched a trend that has demand spiking in the fourth quarter. Fourth-quarter sales reached 330 million.