View full lesson: http://ed.ted.com/lessons/making-a-ted-ed-lesson-visualizing-big-ideas
View original lesson: http://ed.ted.com/lessons/exploration-on-the-big-data-frontier-tim-smith

How can animation convey complex, intangible concepts? A visual metaphor, or an idea represented through imagery, can take an idea as massive as Big Data and tie it to the familiar depiction of a growing tree. TED-Ed animators explain how to make an abstract idea come alive visually.