Ever more kids use digital music players—and advertisers catch on
                                
                                
                                    (Newser) -
                                    Digital music players are hot—even with the lunchbox set: A recent study shows 31% of 6 to 10-year-olds use them. This means a whole new market for kid-themed players, accessories, music and video, reports Advertising Age. Indeed, players aimed at children have proliferated in the past two years. “...