I worked on a J2ME app that needed to access location on phones without GPS, I was in touch with the operator and got a list of cell ids with lat, lon. With that I created a daemon in Symbian that would query the cell id and open up a socket server to give it to the J2ME app. With that we developed an app to request a taxi service, but none of the taxi companies wanted it. Some of the complaints were: 1. GPRS data pl…
#1 was true all the way till ~10 years ago when 3G became popular.
#2 is still true is most 'urban' areas. People just take their phones with them when they get out of their cars.
#3 is interesting - I think some regions had tried to ban mounting phones on the dashboard, but at this point, they must have given up