31. A method of acquiring feedback on a commercial setting, comprising: providing a commercial setting; positioning a camera or microphone directed at a position from which individuals can view the commercial setting; acquiring media signals by the camera or microphone; applying media recognition to the acquired signals; and generating feedback on the commercial setting having a storage size of less than 10% of a size of the acquired media signals.
31. A method of acquiring feedback on a commercial setting, comprising: providing a commercial setting; positioning a camera or microphone directed at a position from which individuals can view the commercial setting; acquiring media signals by the camera or microphone; applying media recognition to the acquired signals; and generating feedback on the commercial setting having a storage size of less than 10% of a size of the acquired media signals. 33. A method according to claim 31 , wherein providing the commercial setting comprises providing an e-shop.