發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Exploitation of trust in instant messaging : a case study on online chats.