MOBILES
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Mobile phones are used for a variety of purposes, such as keeping in touch with family members, for conducting business, and in order to have access to a telephone in the event of an emergency. Some people carry more than one mobile phone for different purposes, such as for business and personal use. Multiple SIM cards may be used to take advantage of the benefits of different calling plans. For example, a particular plan might provide for cheaper local calls, long-distance calls, international calls, or roaming.
The world's largest individual mobile operator by number of subscribers is Chaina mobile which has over 500 million mobile phone subscribers.Over 50 mobile operators have over ten million subscribers each, and over 150 mobile operators had at least one million subscribers by the end of 2009. In 2014, there were more than seven billion mobile phone subscribers worldwide, a number that is expected to keep growing.
The world's largest individual mobile operator by number of subscribers is , which has over 500 million mobile phone subscribers.Over 50 mobile operators have over ten million subscribers each, and over 150 mobile operators had at least one million subscribers by the end of 2009.In 2014, there were more than seven billion mobile phone subscribers worldwide, a number that is expected to keep growing.
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