The document discusses the impact of over-the-top (OTT) services on mobile operators, highlighting the decline of traditional voice and messaging revenues due to the rapid adoption of OTT platforms like Skype and WhatsApp. It forecasts significant growth in OTT user numbers, projecting that by 2016, OTT users will reach 1.32 billion, while mobile operators face challenges in adapting to this communication fragmentation. The paper emphasizes the need for operators to embrace OTT as a potential revenue stream rather than viewing it strictly as a threat.