Great! If most drivers have those options availabl (Score 1)

How many drivers that have such hands-free voice-only enabled devices own cars that have all options installed (and correctly configured by the user per all involved manufacturers) that would allow for the device to be used in the "intended mode"? Not (by far!) the majority of the driving-plus-device-using population, I suspect. Supposing that "not the majority" is indeed the case: Even if the study had been done as Siri creator states it should have been done, the results would have very little applicability for the majority of such drivers. Meanwhile,