I did. For about 10 years on and off. Along with the meagre Austudy allowance it helped keep me from starving at uni. But my word did I get sick of saying, how are you and not really meaning it! A friend at uni drew this great cartoon for me in the middle of one of our lectures. I remember laughing so hard I may well have peed myself. And in the end, I didn't blow up the manager... I just married him instead!
ps. sorry for the swearing!