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  _  _      ___                _____     ____    
 | \| ||   / _ \\    ____     |  ___||  |  _ \\  
 |  ' ||  | / \ ||  |    \\   | ||__    | |_| || 
 | .  ||  | \_/ ||  | [] ||   | ||__    | .  //  
 |_|\_||   \___//   |  __//   |_____||  |_|\_\\  
 `-` -`    `---`    |_|`-`    `-----`   `-` --`  
                    `-`

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發送短信 : Entropy as a measure of average loss of privacy