How TfL and its media clients analyse its media reach | WARC | The Feed

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 interesting results.

Why it matters

Real-time data can optimise campaigns so that they reach the greatest possible number of passengers, but it can also keep them safe in an unprecedented crisis.

Takeaways