This is how Clear Channel Outdoor describes how the program works, in a video on its website:"Using anonymous aggregated data from consumer cellular and mobile devices, RADAR measures consumer's real-world travel patterns and behaviors as they move through their day, analyzing data on direction of travel, billboard viewability, and visits to specific destinations.
The ICCT aggregated research from six countries on almost 600,000 vehicles from at least nine carmakers to draw its conclusions.
A promise to anonymise the data and only analyse them in aggregated form would help win people over, PwC found.
