Extended Reality (XR):

• Augmented Reality (AR): project on top of world via screen
• Mixed Reality (MR): project on top of world via headset
• Virtual Reality (VR): entirely virtual world
  • low-immersion: only on a screen
  • high-immersion: 360deg environment ^this last thing is what we use the term ‘VR’ for rn.

Key concepts:

• Presence = being there
• Immersion = ability to shut outside world out
  • haptics
  • object interaction
  • user-to-user interaction
  • movement
• Embodiment = substitute real body with virtual one (from 1st person pov)

Challenges:

• bandwidth (internet speed basically)
• disabilities