An increasing number of American workers are listening to online radio while at work according to Arbitron/Edison Media Research.

The number of people who listen to the radio online has increased from 12 percent in 2007 to 20 percent in 2008. During the same period the number of workers listening to traditional radio dropped from 88 percent to 80 percent.

The research revealed that education played a big role in workers choosing to listen to radio online. Thirty percent of college graduates listen to online radio most often compared to 12 percent of non-college graduates.

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