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Term Main definition
Earned Media

The publicity a company receives without paying for press or advertising. Can occur when a user shares images of an Augmented or Virtual Reality experience on social media, turning the user into a marketing channel.


Devices which are designed to communicate with virtual environments through input and output sensors for actions such as touch and motion. Can include head-mounted displays, gloves, and position trackers.


A user’s awareness of their location in a virtual space.

Enterprise Mobility Management (EMM)

The system of people, programs, and hardware which allows devices connected to the Internet of Things (IoT) in a business setting to run smoothly by maintaining and securing the mobile and wireless networks and connections between devices. EMM solutions are integral to the instant and seamless receipt of data for a company's operations and information requests.


A computer-generated space which a user experiences as a real place in an artificial reality.


A mechanical structure which communicates information to and receives feedback from an application.

Extended Reality (XR)

A term used to categorize a broad swathe of digital extensions or additions to the physical world. Includes Virtual, Augmented, and Mixed Reality (VR/AR/MR).

Eye clearance

The most precise metric used to explain how an HMD is positioned in relation to a wearer’s eyes.

Eye tracking

Data collected to track the direction of a user’s gaze.

Eyeball in the hand

A metaphor for tracking inside of a virtual environment when the tracker itself is held in a user’s hand and controls the motion of the camera in the virtual environment.

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