1. A mobile device comprising: (a) an imaging device with a display and at least one sensor capable of obtaining a pair of images of a scene having a disparity between said pair of images, and rendering said scene on said display; (b) a processor of said imaging device capable of receiving a user's selection of an object in the rendered said scene; (c) a positioning device operatively connected to said processor and capable of determining a location of said mobile device, where said processor is capable of using the determined location and the rendered said scene to associate the rendered said scene with information in a database remote from said mobile device; d) where said processor is capable of jointly processing said image and processing said information to determine a feature related to the selected said object.