Which pioneering VR technology was first widely adopted by architectural firms to allow clients to 'walk through' building designs before construction began?

Virtual reality has transformed architectural design and client presentations in recent years. This poll tests your knowledge about how VR technology is being integrated into architectural practices and changing the way spaces are conceived, presented, and experienced before construction. The integration of VR in architecture represents one of the most significant technological shifts in the industry since the adoption of CAD software.

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CAVE (Cave Automatic Virtual Environment) systems developed at the University of Illinois in 1992
Oculus Rift Development Kit in 2013
Nintendo Virtual Boy in 1995
Google Cardboard in 2014