Blogs and tweets could predict the future

Asimov was right – again. I wonder who will be Hari Seldon.

From New Scientist: “Movement of the S&P 500 can be predicted with some degree of accuracy using a model that extrapolates from the past three days’ prices. Gilbert and Karahalios found that when the Anxiety Index rose sharply, the S&P 500 ended the day marginally lower than the three-day model predicted. This shows, the researchers say, that the index can be a useful bellwether of economic behaviour. “Blogs provide a sample of what is going on in society,” says Gilbert.”

Blogs and tweets could predict the future

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