Ms Barrett has made the waters that swirl between a love of science and the science of love her special domain.

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You can initially advertise the availability of IPv6 at a special test domain name for your Web server, say www.v6.company.example.

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And that provides plenty of fodder for the cynics who tell us that politics is nothing more than a contest of egos, or the domain of special interests.

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It is a magnet to cyber-entrepreneurs who dream of pushing the computer revolution into new areas: companies such as American Cybercast, which is trying to pioneer entertainment on the Internet, Virtual Emporium (Internet shopping) and Digital Domain (special effects).

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Digital Domain broke new ground last year with the Oscar-winning special effects in The Curious Case of Benjamin Button.

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It was also the era when air travel was strictly the domain of the wealthy and business passengers, and family travel was reserved for the most special of occasions.

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