Officials say that an advertising firm must immediately stop using its network of high-tech trash cans to track people walking through London’s financial district.
The City of London Corporation says it has demanded Renew pull the plug on the program, which measures the Wi-Fi signals emitted by smartphones to follow commuters as they pass the garbage cans.

In one interview, Renew chief executive Kaveh Memari said he would sell the data to “anyone.”
The company tested the technology in May but received a burst of publicity last week, with some wondering whether the technology was legal.
The City of London Corporation is responsible for the city’s historic “square mile,” home to financial institutions, law firms and tourist landmarks.
Renew did not immediately return a call seeking comment Monday.
Was this article valuable?
Here are more articles you may enjoy.
Elon Musk Alone Can’t Explain Tesla’s Owner Exodus
Cape Cod Faces Highest Snow Risk as New Coastal Storm Forms
Tesla Sued Over Crash That Trapped, Killed Massachusetts Driver
Hackers Hit Sensitive Targets in 37 Nations in Spying Plot