1. A method comprising the acts: receiving a signal from a biological sensor associated with a first person, the sensor selected from the group consisting of a gaze sensor, a skin conductivity sensor, an electroencephalography sensor, and a pupil dilation sensor; performing a visual object recognition operation on image information based, in part, on the received signal, yielding information about an object of interest to the first person, said visual object recognition operation being performed by a hardware configured to perform such act; presenting information to the first user about the recognized object; determining, from data in a data archive, a second person having an association with the recognized object; and reporting the recognition operation, enabling the second person to learn thereof.