發送短信 : Expecting the unexpected: the role of surprise in community-driven development

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