In a virtual world, he hypothesized, people would be able to communicate in similar ways.
Even in a virtual world, communication is heavily dependent on two-way body language cues.
"Every explosion that happens in a virtual world is a good thing, " says Forterra's Chris Badger.
While it is an MMO, with levels and achievements, Glitch is quite open-ended like a virtual world.
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If you rate doing something in a virtual world to be a meaningful achievement, so be it.
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One of the first, a planet called Rocktropia, brings recording companies, artists and gamers together in a virtual world.
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"If you're just sitting in a virtual world and watching a Web presentation, you're wasting your money, " Rozwell says.
By giving players the ability to physically interact with a virtual world, Nintendo has significantly changed the experience of videogaming.
Projects are underway to use 3D graphics techniques to enable multiple users to share the same space in a virtual world.
The treatment involves patients donning the requisite headgear and data gloves, allowing them to explore a virtual world with their missing limb restored.
Being able to see two tablets side-by-side is simply not something you can replicate so easily in a virtual world, even through youtube videos.
The company's next goal is to develop a video game that would require players to use a native language to survive in a virtual world.
Near Global is launching in 2009 with the promise to offer the most accurate 3D version of a city ever produced as a virtual world.
Second Life, as its name implies, is a virtual world in which members create an avatar and then use that character to live out a separate existence.
Specifically answering Lord Puttnam's point Mark Hansen, director of business development for Lego Universe, said children were very good at determining the underlying ethic of a virtual world.
Yet, the investor and tech visionary Peter Thiel made the important observation that, despite the alluring ease of it, we cannot let a virtual world be mistaken for the real world.
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The networks are very diverse, but the resilient ones are learning organizations that quickly adapt to changing conditions, operating in a virtual world of social media and hidden financial transactions where they present few tangible targets to defenders.
While virtual reality has tried (and till now failed) to entice us into a virtual world, augmented reality overlays digital, virtual information onto the real world with the help of a simple camera, screen and software in between.
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Another change since 1987, when the floor of the New York Stock Exchange was the home of most U.S. stock trading, is that now trading doesn't occur only in specified locations but on multiple exchanges in a virtual world.
"For anyone who witnessed the onset of computers and the dawn of video games, 'Tron' spoke to a lot of us with concepts about what it was like to be inside a computer or a virtual world, " he said.
Pearman is calling for anyone who plays online shooters to take part in a cease fire on Friday, December 21st by not killing anyone in a virtual world as a sign of respect for the victims of the shooting.
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Peter Moore, president of EA Sports, part of Electronic Arts, a games company, says that some gamers like to recreate what they see during live NASCAR races in video games, using online information about speed, drag, tyre pressure and so forth to recreate, in a virtual world, the real-life action.
Hotels.com is creating a new virtual world, which includes a touch of augmented reality.
Its innovation is in relocating the now-decades-old interface of windows and folders to a shared virtual world.
And, of course, there is the romance of the rails, a romance that has somehow been able to survive all of Amtrak's struggles -- even in an era that proclaims a digital, virtual world can transport a person anywhere without that person ever leaving home.
Win a game in the virtual world, for instance, and the toy gains a new functionality in the real world.
Minecraft supports a multiplayer mode allowing players to set up and manage a server that can host dozens or even hundreds of simultaneous players in a single, persistent virtual world (for an example of a popular Minecraft server, see Meepcraft).
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Knowing your customer, creating trust within the confines of a highly technological virtual world.
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Using components from the popular game Full Spectrum Warrior, psychologist Skip Rizzo and his colleagues have fashioned a "virtual" world that simulates the sources of combat stress.
Harvesting asteroids, creating a radically transparent virtual world state and replacing workers with intelligent robots are all very well, but unless our big tech companies recognize their social responsibilities, I fear that our real future could be as disturbing as the science fictional one presented in Ridley Scott's blockbuster.
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