How does AR differ from virtual reality (VR)?
AnswerAR adds digital content to the real world; VR replaces it
VR is fully immersive, while AR blends digital and physical views.
Tech · Facts & stats
AR facts & stats
7 fact-checked facts about augmented reality, AR devices and spatial computing, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
Which everyday device can run many AR apps using its camera?
AnswerA smartphone
Smartphones combine cameras, sensors and screens needed for AR.
Going deeper
Google Glass, announced in 2012, was what kind of device?
AnswerSmart glasses with a small head-mounted display
Google Glass displayed information in the wearer's field of view.
ARKit, released in 2017, is an AR developer framework from which company?
AnswerApple
Apple introduced ARKit for iOS in 2017; Google's counterpart is ARCore.
HoloLens is a mixed-reality headset made by which company?
AnswerMicrosoft
Microsoft released the first HoloLens in 2016.
Expert level
What was the nickname of Ivan Sutherland's 1968 head-mounted display?
AnswerThe Sword of Damocles
Its heavy apparatus hung from the ceiling over the user's head.
In AR tracking, what does SLAM stand for?
AnswerSimultaneous Localization and Mapping
SLAM lets a device map its surroundings while tracking its own position.
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