Location-based ad tech firm Vistar Media receives US patent on handling location data from mobile devices (USPTO)
A set of possible geographic locations for the mobile device is determined based at least in part on the reported location and a device density map describing a historical distribution of mobile devices over a geographic region. […]
patft.uspto.gov
Thu, Aug 10, 2017 at 5:53 PM
Thu, Aug 10, 2017 at 5:53 PM