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The ideas for cellular phones were developed in the 1940s. However, it was not until the microprocessor becomes available that practical commercial solutions are possible.
Today there are more than 4 billion mobile phone subscriptions in the world. In the last few years the increase has been most dramatic in developing countries. Telecoms operators have tried to capitalise on this by offering new services that will generate new revenues for them. Mobile Applications are increasing revenues for the operators while voices revenues are getting less and less. But what are mobile applications?
In this lecture we look mobile.