as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
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provide statistics related to the total number of people in the world who use mobile phones.
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according to the latest estimates published by the international telecommunication union, 6.86 billion people - around 89% of the world’s population - have mobile subscriptions as of 20
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