AT&T, T-Mobile and Verizon have pledged to stop selling location data to brokers who may sell the information on the black market. But data on users' whereabouts is lucrative: Location-targeted advertising sales brought in an estimated $21 billion last year
NEW YORK — Telecommunications firms and mobile-based apps make billions of dollars per year by selling customer location data to marketers and other businesses, offering a vast window into the whereabouts of cellphone and app users, often without their knowledge.
That practice, which has come under increasing scrutiny and criticism in recent years, is now the subject of a proposed ban in New York. If the legislation is approved, it is believed that the city would become the first to forbid the sale of geolocation data to third parties.
The bill, which was introduced Tuesday, would make it illegal for cellphone companies and mobile app developers to share location data gathered while a customer’s mobile device is within the five boroughs.
Cellphone companies and mobile apps collect detailed geolocation data of their users and then sell that information to legitimate companies such as digital marketers, roadside emergency assistance services, retail advertisers, hedge funds or — in the case of a class-action lawsuit filed against AT&T — bounty hunters.
“The average person has no idea they are vulnerable to this,” said Councilman Justin L. Brannan, D-Brooklyn, who introduced the bill. “We are concerned by the fact that someone can sign up for cell service and their data can wind up in the hands of five different companies.”
In the absence of a federal law specifically protecting consumers’ location data, cities and states have stepped up to enforce privacy regulations and location data rules. In San Francisco, voters approved a ballot measure in 2018 that would require companies to disclose their data practices and secure customer data to win city contracts.
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