Patent ID: 7176834

Claim:
A method for determining the effectiveness of media displays, comprising: employing a plurality of monitoring devices for tracking the paths of travel followed by a plurality of respondents, each of said respondents associated with a respective one of said plurality of monitoring devices, each of said plurality of monitoring devices utilizing a satellite positioning system (“SPS”) to independently track the movement of the related respondent along the path of travel followed by the respondent, each of said plurality of monitoring devices generating satellite data that represents the path of travel followed by the respondent; storing said satellite data; collecting the satellite data from each of the monitoring devices; and analyzing said collected satellite data to determine if said plurality of respondents have been exposed to media displays by matching geo data based at least in part on said satellite data that represents the paths of travel followed by said plurality of respondents with media display locations to determine the effectiveness of the media displays at the media display locations.