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What is SMS?
SMS involves sending a text-message of 140-160 characters to a cell phone or pager, and holds significant advantages over the use of mobile email for sending important information. Originally devised as an afterthought to notify users of incoming voice mail, SMS has grown to include the sending of ringtones and graphics, as well, and taken on a life of its own. In May of 2001 alone, the GSM Assocation reports that 19 billion SMS were sent throughout the world.
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