Looks like Apple is coming up against stiff music-service competition these days. First there was RealNetworks, and now Microsoft is getting into the act. It sounds like its service will look very similar to the popular iTunes online music service, with one big difference: Music files will be saved to your devices in the WMA format, allowing for a broader distribution to various handhelds. Microsoft stands to gain some increased revenue in the form of increased advertising dollars on its MSN Website. They also hope to spread the appeal of the Windows Media file format.

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