Consider making helmets (and other impact-related personal equipment) highly effective, cheap, and one-time-use only. Sort of like bicycle helmets that break upon use by design. But cheap enough that it wouldnâ(TM)t matter if you put on a new helmet every single play. Maybe it changes color frankly when damaged enough to need to doff/don. But can it be made in such a way that players/organizations/the public accepts the look of these cheap-yet-effective helmets? Makes me think of the under-handed free throw in basketball.

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,