It's also exciting for food in general; imagine if it gets good enough at reproducing every type of scent. Every type of flower scent. You could virtually train your palate, reawaken it after years of neglect, learn to detect the scents of various pollutants or poisons even.

My excitement for this sort of thing is greatly dampened however; likely it will be used for grim, dull, heartless moneymaking schemes by big tech.