>"[..]not what they say they want, but what they actually want[..]" That always sounds circular and a little unscientific to me. It's a variation of the old:

>"[..]not what they say they want, but what they actually want[..]" That always sounds circular and a little unscientific to me. It's a variation of the old: 1. markets give us ideal results; 2. how do we know? because in other case we will not get those results.