I got the feeling that there was probably some pre-arranged agreement that the IPO question was off limits, but that the interviewer went ahead and asked the qu

I got the feeling that there was probably some pre-arranged agreement that the IPO question was off limits, but that the interviewer went ahead and asked the question anyway. Hence his non-plussed look and the slight shake of his head as if indicating 'you're not supposed to be asking that question'.