By this benchmark, Groupon scores well, just below Facebook and Renren, a Chinese social network with a listing in America (see chart).

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In a May 21, 1985 appearance on the Financial News Network, a precursor to CNBC, I discussed a chart very similar to the one above of the Deutsche mark futures contract traded on the CME.

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Use either one to chart data on an iPhone, share it with a social network, and parse results with a variety of downloadable apps.

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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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