> who have real-time data on where every connected phone is all the time
Not really. They know which mast it's connected to and can do signal strength triangulation. Their location info is a lot less good than what the device makers with wifi map data can give you, hence why every so often we get a news story about how Uber knows where you are a lot better than a 911 operator does.
Not really. They know which mast it's connected to and can do signal strength triangulation. Their location info is a lot less good than what the device makers with wifi map data can give you, hence why every so often we get a news story about how Uber knows where you are a lot better than a 911 operator does.