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Distributed, collaborative VR

• Technical / implementation
  • Naming
  • Virtual objects vs. computer resources
  • State vs. events
  • Distributed vs. centralized database
  • Locality
  • Locking / ownership
  • Synchronization *
  • Global attrubutes, i.e., physics, collision detection
  • Modifiability
  • Persistence

• Interface / use
  • Communication
    • Voice
    • Gesture
    • Symbolic
    • Text
  • Annotation
  • Widgets
  • Finding people / places / things

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