I am reading more and more about use of statistics to predict human behavior. We saw it in athletics, but we also know gugl and fcbk use it extensively. Target and most retailers rely on it and use it, and so do dating sites to glean users preferences, whether they know it or not. Credit companies use it. It's big business. But it's not very out in the open because most people find it incredibly creepy and invasive. Yet they continue to use FB, Gugl etc. Where is the line of privacy vs. prediction vs. voluntarily disclosed info and the use of it, the aggregation of the data, sales of data, use of data? It's a new world and there needs to be a discussion about it. There a some very talented statisticians on this site I know. Market data is used as a predictor of price action and people's preferences or habits. I am sure there is other correlated info out there that predicts price action. The question is how is that data, and what data is it that predicts price movement?





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