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The Big Impact of Small Changes

Choiceology with Katy Milkman

00:00

The Trouble Spot

O will be change is CNN Tech's weekly, offbeat look at stories trending on Twitter and Facebook. This week, Jarrett ponders the role of behavioral economics in changing behavior. In a city intersection, duct tape was used to divide bike traffic from pedestrian area. A nudge can help people make better decisions about their lives or money.

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