Google Charts the History of Modern Music

Google recently began tracking its user's music uploads. What's it doing with that data? A number of things, to be sure, and here's one we like very much: Google Research has created a rich, multilayered, interactive chart of musical evolution by visualizing which albums from eras-gone-by remain in our music libraries… » 1/18/14 5:19pm 1/18/14 5:19pm