Ryan Van Etten (@ryanve), Editor/Producer of VirtualMusic.tv, has created a fascinating music website heat map; it depicts estimated web-based music consumption in the U.S. in 2010.

The visualization is based on traffic data from Compete. Green indicates positive growth in 2010. Red indicates negative growth in 2010. Notable is the fact that cloud-based music services, aside from we7 and Rdio, had a bad year traffic-wise. we7 and Rdio may have grown, but they appear to hold a much smaller percentage of consumer mind-share than their competitors.Take a look:

Let’s zoom out and view the bigger picture:

For a more detailed graphic and info go here.