發送短信 : Using physical-social interactions to support information re-finding

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