Text this

Number:

Provider:

CAPTCHA:

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

Please enter what you see:

Text this: Improving mandarin predictive text input by augmenting pinyin initials with speech and tonal information