Agreed, we have to be wary of this being turned into an argument for more blanket surveillance or for constant tracking of cellphone geolocation data. But the c

Agreed, we have to be wary of this being turned into an argument for more blanket surveillance or for constant tracking of cellphone geolocation data. But the conclusion does not have to be that. It would be good, for example, if cellphones could deliver rapid and accurate geolocation data specifically when the cellphone had initiated a call to a known emergency number.