Today, visualization has the potential to become a mass medium. Engagement — grabbing and keeping the attention of a viewer — is the key to its broader success. The clearest, most precise graphic in the world communicates nothing if nobody looks at it.
Viegas Fernanda, Wattenberg Martin. (2011) How to make data look sexy. CNN. Retrieved from: http://www.cnn.com/2011/OPINION/04/19/sexy.data/index.html