25. The system of claim 24 , wherein said audio cue detecting module comprises: an audio moving away detecting module configured to detect the presence or absence of the one or more audio cues in the proximate vicinity of the computing device when the audio moving away detecting module at least detects audibly that the computing device has moved away from the first user.
24. The system of claim 1 , wherein said transfer determining module configured to determine that a computing device, that was presenting an item, has been transferred from a first user to a second user comprises: an audio cue detecting module configured to detect that the computing device has been transferred from the first user to the second user when the audio cue detecting module at least detects presence or absence of one or more audio cues in proximate vicinity of the computing device that when detected as occurring at least suggested transfer of the computing device between the first and second users.