Using YouTube videos to deliver virtual tours of their manufacturing facility has helped to speed up sales cycles.

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Users can take virtual tours of major cities in the U.S. online.

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Newly weds who would like to celebrate by visiting a famous site, such as the Taj Mahal, can make virtual tours instead.

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The website, which gives information on being a witness, going to court and what to expect when giving evidence, also offers virtual tours of the court.

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"We had up to a thousand floor plans supposed to be delivered every day, " says Mr. Bergman, whose firm, Diakrit, produces virtual tours and three-dimensional models for housing developments.

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The site will allow visitors to watch footage of the Beatles' performances, contact one another and take virtual tours through the Abbey Road studios where the band made most of their music.

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"Part of our challenge is to bring what we do have left to life again, with imaginative audio tours and interactive virtual demonstrations of what it would have been like in its heyday, " she said.

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There is also a wealth of informational "mash-ups" of maps with other data, such as Virtual Tourism, Google City Tours and safe2pee.org, so you can look at destinations ahead of time, figure out a city tour based on the sites you want to see, even locate the public restrooms.

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What's to stop Clear Channel Communications, (which, since acquiring SFX Entertainment last year, has a virtual monopoly of the acts, the concert venues and the radio promotion of big rock tours in America and is now being sued by a competing promoter in Denver on precisely those grounds) from repackaging Jurassic Rock for middle-aged fans hoping to recapture a few magic moments of their youth?

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