It's always interesting as a commercial lawyer to see how a blank look on a client's face can be transformed to instant understanding when the legal words are turned into pictures - arrows and boxes are a favourite of mine.  Transforming data into understandable communication is becoming more and more important every day.  But that's not a new phenomenon.  This article gives a brief history of how we've moved from transforming small amounts of data in a 19th century context to virtual reality.  But with virtual reality already old news, what's next?