We don't know if Apple plans to use its learning in any kind of shipping product, although it's undoubtedly been interested in the category before -- and its ambitions of having iPhone-optimized hearing aids could well getaliftfrom technology that promises real understanding, not just a boost in volume.
Amazingly, the lift in oxytocin was higher from receiving a coupon than what is observed when people geta gift or engage in activities like cuddling or kissing!