Remember that TV commercial about some talcum powder or perfume?(Correct me If I am wrong):
Aray Saba Agayi!
Tumhey Kaisa pata chala?
Khushboo Batarahee hey
Now scientists can implement Odour ID as an authentication system which is being said is better than Finger print authentication. Now Imagine such computer system is implemented, how woud our testers feel if they are asked to test such 'Odour based systems' :-)