Finds niche in developing countries, but boom may not last
                                
                                
                                    (Newser) -
                                    Plasma TV's rollercoaster ride continues as the technology given up for dead more than a year ago has made a booming sales comeback, Reuters reports. Demand in the developing world, especially in China, is driving the upswing. LCD technology seemed until recently to have trampled plasma, but it turns out...