Systems and corresponding methods are provided that include at least one computing device in communication with a plurality of mobile devices over a communication network. The at least one computing device is operable to track with a location service each of a plurality of mobile devices from a departure area to a destination area, collect with each of the plurality of mobile devices objective data with regard to destination area, and compute or otherwise determine an implied interest for the destination area based on the objective data collected. The objective data may include the amount of time each of the plurality of the mobile devices spends at the destination area, the distance(s) traveled by each of the plurality of mobile devices to get to the destination area, and/or the amount of money spent by each owner of the plurality of mobile devices at the destination area.