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Proceedings of the 11th international conference on Extending database technology Advances in database technology - EDBT '08
The mobile phone industry has reached a saturation point. With low growth rates and fewer new customers available to acquire, competition among mobile operators is now focused on attracting competitors' customers. This leads to a significant downward price pressure, the inability by mobile phone providers in deriving reasonable returns from basic telephony services, and an increasing reliance on value added services (VAS) for revenue growth. There are today thousands of such services availabledoi:10.1145/1352431.1352507 fatcat:vjajapnqhrbihbcz2uhjhgkqfu