judgecorp writes "EcoATM is going to install machines which give money for old phones across the U.S. The system, shown at CES, takes a photo of any phone or other gadget put in its tray, and provides a data cable (for every kind of phone?) to check it is working. The machine offers a quote based on the current used price, and pays up on the spot."
An authority is a person who can tell you more about something than you
really care to know.