Or did you mean flair?
Apparently Aperture Labs are considering offering him a job.
Even if the software needed a professional set-up to calibrate for the individual surely this would drive the price down.
And think of the PR - all those people claiming MP3 players make you deaf - what if you made one that helped the deaf to hear?
Please, no jokes about the iEar or Google Cyborg.
You are in a maze of little twisting passages, all different.