發送短信 : Performance management: Quo Vadis?

  ______    ______    _____    _    _    ______   
 /_   _//  /_   _//  / ____|| | || | || |      \\ 
 `-| |,-    -| ||-  / //---`' | || | || |  --  // 
   | ||     _| ||_  \ \\___   | \\_/ || |  --  \\ 
   |_||    /_____//  \_____||  \____//  |______// 
   `-`'    `-----`    `----`    `---`   `------`