Phones can accurately pinpoint user's location via Wi-Fi hotspots but carriers are slow to adopt the tech for 911 calls due to lack of pressure from regulators (Ryan Knutson/Wall Street Journal)

Ryan Knutson / Wall Street Journal:
Phones can accurately pinpoint user's location via Wi-Fi hotspots but carriers are slow to adopt the tech for 911 calls due to lack of pressure from regulators  —  Accurate location data is on smartphones, so why don't more wireless carriers use it to locate emergency callers?

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