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  ______   __   __    ______   _    _     _  _   
 /_   _//  \ \\/ //  /_____// | || | ||  | \| || 
   | ||     \ ` //   `____ `  | || | ||  |  ' || 
  _| ||      | ||    /___//   | \\_/ ||  | .  || 
 /__//       |_||    `__ `     \____//   |_|\_|| 
 `--`        `-`'    /_//       `---`    `-` -`  
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Text this: A conversational model of online learning