NY Times: What We Watch, Read and Download
„The ring-tone business is already firmly established in Europe and Asia, and IDC Research estimates that sales in the United States will reach $245 million next year, up from $17 million in 2002.“
Zingy – cellphone ringtones, screen graphics, mobile games and much more!
Moviso – Putting compelling media and entertainment on mobile devices
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DIENSTRAUM: Das Geschäft mit Logos und Klingeltönen (25.01.2002)