Clothing makers looking to monitor and optimize social-media marketing campaigns involving tens of millions of socially connected consumers, thousands of SKUs, tens of thousands of retail outlets, and a booming online presence have to be able to make decisions across all of those variables as quickly and unexpectedly as those millions of consumers change their minds.

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In the energy world, things can change unexpectedly and quickly.

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Mr. Dupnik then returned to the podium and unexpectedly provided fresh details on the investigation and quickly made his feelings about the shooting and Mr. Loughner known.

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