Text this

Number:

Provider:

CAPTCHA:

           _    _     _  _      ___    __    __  
    ___   | || | ||  | \| ||   / _ \\  \ \\ / // 
   /   || | || | ||  |  ' ||  / //\ \\  \ \/ //  
  | [] || | \\_/ ||  | .  || |  ___  ||  \  //   
   \__ ||  \____//   |_|\_|| |_||  |_||   \//    
    -|_||   `---`    `-` -`  `-`   `-`     `     
     `-`

Please enter what you see:

Text this: Biometric authentication on iPhone and Android: Usability, perceptions, and influences on adoption