發送短信

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 ______     _____    __   __    _____     _  _   
|      \\  |  ___||  \ \\/ //  |  ___||  | \| || 
|  --  //  | ||__     \   //   | ||__    |  ' || 
|  --  \\  | ||__     / . \\   | ||__    | .  || 
|______//  |_____||  /_//\_\\  |_____||  |_|\_|| 
`------`   `-----`   `-`  --`  `-----`   `-` -`

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發送短信 : The Economics of Symbolic Exchange