Visualizations don’t all have to be serious. They can be lighthearted—and a little subversive. Claire Wyckoff [NSFW] uses the Nike+ run-tracking tool as a data-illustration canvas: She turns it on, then goes for a run in the shape of an (often lewd) image. This outing, from July, traced Slimer from Ghostbusters through a San Francisco park.
This article was originally published in the November 2014 issue of Popular Science, under the title, “Dawn of the Data Age.”