Most of the rapid growth of cell phone usage has occurred in recent years in

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The rapid growth of cell phone usage in recent years has been most notable in countries with large populations and developing economies, such as China and India, as well as in Russia, which has been modernizing its telecommunications infrastructure. These countries have seen significant increases in cell phone adoption due to improving economic conditions, increasing affordability of mobile technology, and the expansion of mobile network coverage.

Most of the Rapid Growth of Cell Phone Usage Has