A massive amount of data, which requires nothing but your ears to appreciate.How awesome is this: CNN has created the "Dow Piano," which translates the peaks and valleys of the Dow Jones Industrial Average into the notes of a musical scale. Thus, just by listening, you can actually hear how the Dow did over the course of the year. Created by CNN creative director Bård Edlund, the Dow Piano render's each day's closing level as a note, spanning three octaves. The higher the pitch, the higher the level was. Additionally, a higher audible volume maps to a higher trading volume. Read More »