Assignment:
Data visualization has been around for some time. We remember in the late 90's being struck by the pure awesomeness of "XPLANATiONS" infographics published in Business 2.0 magazine. Not long after, we discovered from the great Edward Tufte, the rich history of data visualizations going back perhaps to the earliest of times.
What are effective ways to leverage interactivity in data visualizations? Provide 3 examples of how you would effectively use interactivity in data visualization.