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Interactive data visualizations are an exciting way to engage and inform large audiences. They enable users to focus on interesting parts and details, to customize the content and even the graphical form, and to explore large amounts of data.

At their best, they facilitate a playful experience that is way more engaging than static infographics or videos.

Lars Grammel lists several ideas and concepts of interaction design for data visualizations on the visual.ly blog, using 11 examples from the web.