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The history of WebEx are he could argue that the history of the NSA are the two technologies, the foundation
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of WebEx are began even before motion pictures.
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Victorian's marveled at stereoscopic pictures and in a sense, the use of lenses and provide in a slightly
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different view.
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Fritschi is one of the cornerstones of the VR headset.
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But I feel that the story really begins in 1960 with the head site.
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The first HMD head mounted display the device used had movements to control a remote camera and had
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a video screen for each eye.
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At the time, the idea of virtual reality hadn't even been considered.
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The device was used to be able to remotely view a dangerous location.
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The father figure of VR and much of computer graphics is Ivan Sutherland, who back in 1965 described
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a device he called the ultimate display.
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This device would, via an HMD present, a virtual world with which the viewer could interact.
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The paper he presented can be described as the blueprint for future VR development.
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Three years later, with his student Bob's role, he created the first VR air head mounted display.
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Connected this time to a computer, not a camera, he was so heavy it needed to be connected to the
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ceiling and was given the name the Sword of Damocles.
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It was nearly 20 years later, in 1987, the term virtual reality was first used.
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During that period, flight simulators and hand tracking gloves were developed.
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Arcade machines arrived in the early 90s, pioneered by the Virtuality Group.
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In an attempt to reach a wide audience, Sager experimented with VR headsets for the technology of the
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early to mid 90s, made creating the devices for an acceptable price point.
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An adequate performance was just not feasible.
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We need to jump forward to 2008 for the first application of VR, a German advertising agency created
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a market based app.
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Market based means the camera review is process to scan each frame of video for a marker image.
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If the image is found, then its position and orientation in screen is calculated in order to position
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a virtual object in its place.
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Customers who bought a magazine and used the app were able to see a BMW mini appearing out of the magazine
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advertisement in 2011, National Geographic got in on the Act and Coca-Cola in 2013.
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In 2012, we see the launch of Oculus Rift headsets and Google created the cardboard device allowing
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mobile phone users to play with VR at a very cheap price point.
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As mobile devices get more and more capable with faster processors and great graphic capabilities,
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they also have some amazing sensors that can be used to determine their position and orientation.
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You probably own a device is capable of showing and they are content.
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Virtual reality for the web has been around for over 20 years.
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They are Emelle virtual reality markup.
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Language was first specified in November 1994.
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They are Emelle never really took the world by storm.
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But the latest devices, mobile phones and VR headsets are really starting to make immersive experiences
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on the web, a reality, albeit a virtual one.
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The story of WebEx are started with Apple creating a market and Google Arcore.
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Both these cold libraries harness the sensors on mobile devices and attempt to convert the data into
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a 3-D analysis of the real world.
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Using this data is possible to determine a view is position and orientation, which in WebEx ASPEY we
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call a pose.
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But the technology goes further than just understanding the viewer's pose and then positioning virtual
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assets in a 3-D rendered view that are tracked by the viewer as they move their mobile devices or move
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their head if using a headset in the example of a headset.
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The view in the left and right eyepieces are subtly different, taking account of the distance between
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the eyes.
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The result a very convincing, immersive experience.
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Once they are in our core, provided the essential low level code necessary to use the sensors in this
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way.
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It was only a matter of time before this was available in the browser.
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Surprisingly, after being first on the table with the Arquit, Apple had been a little slow bringing
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the technology to the default browser Safari.
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Whereas Google brought this level of tracking to the Chrome mobile browser with version 81 at the time
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of record in the Can I use website, a great resource for developers shows the edge in Chrome, agreeing
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for WebEx are in the desktop and just Chrome on the mobile browser.
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So you're at the cutting edge of web technologies here.
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To get to grips with this technology, you're going to need to know how 3D works and we'll look at that
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briefly in the next video, see in a minute.
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