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Ah Personality Insights. In playing with it when it came out I noticed that when it printed out something that someone agreed with they thought it rocked, and when someone felt it characterized them incorrectly it was junk. This and "Sentiment Analysis" get too much hype and not enough close inspection.

One of the more interesting discussions around this was that actual personality tests have pretty carefully crafted questions that they then look at the response to in a measurable way. But you can't really crawl a forum and reliably match up "stimulus" and "response" so the results have so much noise in them as to be unreliable.

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