In this article, we are going to review a brief history of the field of Virtual Reality (VR) %DIFDELCMD < \footnotemark%%% Circa 2018 , VR systems  and applications and discuss how they evolved over time . After that, we will familiarize ourselves with key components of VR experiences and common VR terminology. Finally, we discuss the evolution of ubiquitous VR as a subfield of VR and its current trends.
In this article, we are going to review a brief history of the field of Virtual Reality (VR) %DIFDELCMD < \footnotemark%%% , VR systems , and applications and discuss how they evolved . After that, we will familiarize ourselves with the essential components of VR experiences and common VR terminology. Finally, we discuss the evolution of ubiquitous VR as a subfield of VR and its current trends.
D
Circa 2018
A
,
D
over time
R
key
the essential