Esther Schindler writes: "Every mobile device you own has its own power supply and its own proprietary plug. There oughta be a better way, says Alfred Poor. Fortunately, he reports, the IEEE is coming to the rescue. "Their Universal Power Adapter for Mobile Devices (UPAMD) Working Group is developing a new standard that will not just address the needs of laptops and tablets, but will be intended to work with just about any electronics device that required between 10 and 240 watts of power," Poor writes. It's about darned time."