Beginning in 2012, Transport for London (TfL) launched a wifi network on its Underground system. The agency responsible for running London’s vast transport network, including the city’s famous Tube, had rolled out connectivity (in stations, not in tunnels)...
How Transport for London, and its media business, uses real time passenger data for ad effectiveness
Transport for London (TfL), the agency responsible for the capital’s Tube, established a privacy-safe system for measuring passenger flow using wifi connections, yielding some surprising results.
