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        School based on Pythagoras teachings - 
  
  
        Socrates teaching - 
  
  
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        Centres of learning in the Middle Age opened by the monks. - 
  
  
        Availability of manually copied manuscripts - 
  
  
        Public education emerged - 
  
  
        Projection of printed images of glass frames onto the walls in darkened classrooms - 
  
  
        Use of postcards for feedback - 
  
  
        A large piece of slate hung on the classroom wall. James Pillans. - 
  
  
        Replacing slates and chalks - 
  
  
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        Oregon Trail - 
  
  
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        Send e-mails and research the internet - 
  
  
        1990s digital age - 
  
  
        2000s Interactive age - 
  
  
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        Twitter, Facebook, YouTube... - 
  
  
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