1. Purpose
   1. the higher purpose
   2. education and learning
   3. fun and entertainment
   4. organisational and privat
   5. no purpose
2. (eco) system
   1. technology
      1. web
      2. server
      3. desktop
      4. mobile
   2. data
      1. metadata
      2. quality
      3. time
      4. quantity
      5. raster/verctor
      6. ownership
         1. free data
         2. commercial data
      7. accuracy and resolution
      8. open standaarden
   3. principles
      1. projection systems
      2. scale
      3. value chain
      4. the meaning of a map
         1. how to lie with maps
   4. people
3. misc
   1. history of GIS
   2. relationship to Open data
   3. GIS thrives on openness
   4. great resources
   5. a great world of abbreviations
   6. vragen van de vorige keer
      1. waarom bestaat er niet 1 projectie voor de hele wereld?
      2. Waarom geeft de overheid niet alle data vrij?
      3. Helpt dit echt bij innovatie?
4. trends
   1. multi sensors
   2. hyperlocal
   3. clouds of openness