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Ring tones is an 8 billion dollar business a year. The profit margin of the carriers, the phone carriers who sell ring tones is 96%. It cost them about 4 cents on the dollar, okay, to actually deploy the ring tones. So this is a business that made, if it's 6 to 7 billion in sales, it's 6 to 7 bil...(Full transcript available to logged in subscribers.).

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