Then imagine an Obama supporter counters with a pie chart saying that 99.99% of all people who have looked into the matter have determined that President Obama is a US citizen.

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And in terms of predictive analysis, a pie chart of where someone goes most frequently, or who they tweet to, is simple data crunching that a human analyst could do, albeit with more time and effort.

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The whole idea was that the speaker would talk for a while, and then occasionally show a slide that illustrated a point with a picture or a striking image, or made a set of numbers clear with a bar graph or a pie chart.

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You need a classy pie chart, or a 3D graphic of a software-stack or one of those social network symbols with a circle and branches coming out of it.

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Jess3 had a job to do in making their pie chart, and I am sure the brief was not (only) to accurately represent data.

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"It's just illuminating to a lot of people to see on the pie chart that this is what I spent on travel, food or housing expenses, " he said.

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