XM Radio
XM is a United States satellite broadcasting service which provides digital programming directly from two satellites (nicknamed "Rock" and "Roll") orbiting above North America. It is based in Washington, D.C.XM's business model is to provide pay-for-service radio, free of a great number of commericals, analgous to the business model for cable television. However, as of January 2003, revenues have been lower than expected and the company has needed to refinance.
XM's competitor is Sirius Satellite Radio.
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