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Political activist Eric Gunderson from Washington, D.C. believes America's cell phones should ring with the sound of their political beliefs. He's created his own ring tone, which is designed to show displeasure with the way the Bush administration handled Hurricane Katrina.

The problem with Gunderson's ring tone, however, is that it works on a very limited number of phones. U.S. cell phone companies make it hard for consumers to create and swap their own ring tones. That's where Riot Tones comes in. When it debuts next month, the service will be a do-it-yourself marketplace for political ring tones designed to work on all phones.