METHODS AND APPARATUS TO DETERMINE A NUMBER OF PEOPLE IN AN AREA

摘要

Methods, apparatus, systems and articles of manufacture are disclosed to determine the number of people at a location. An example method includes collecting media identification information corresponding to media presented at a location, changing an identifier of a base station local to the location to cause mobile devices located at the location to attempt to register with the base station, responding to a received request to register a mobile device with the base station by storing device identification information for the corresponding mobile device at the base station, determining a number of mobile devices located at the location based on the stored device identification information, and identifying a number of persons exposed to the media based on the mobile devices located at the location.

主权项

1. A method comprising:
collecting media identification information corresponding to media presented at a location; changing an identifier of a base station local to the location to cause mobile devices located at the location to attempt to register with the base station; responding to received requests to register the mobile devices with the base station by storing device identification information for the corresponding mobile devices at the base station; determining a number of the mobile devices located at the location based on the stored device identification information; and identifying a number of persons exposed to the media based on the number of the mobile devices located at the location.