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High-Definition Multimedia Interface (HDMI)

Increasingly common on expensive plasma and LCD TVs, as well as DVD players, high-definition multimedia interface (HDMI) refers to the digital connection that carries audio and video signals between the high definition TV set and the home theatre equipment like Blu-ray disc players. When you buy an HDMI-enabled DVD player, you can connect it to a supporting TV set with an HDMI cable and get both high quality sounds and videos. This standard, introduced about four years ago, works with a slightly older - but still widely used interface known as digital visual interface (DVI), which carries video but not audio signals. This means you can connect, say, a DVI-enabled DVD player to a TV that supports HDMI, by using an adapter.

An HDMI connector is smaller than a DVI one, but both should give you better images than the next best option - either a Component or 5-video cables. Home theatre equipment that support HDMI still cost a premium these days. But if you can afford it, go for a DVD player or TV set that supports the new technology.

Internet Protocol Version 6

It is billed as the next generation of the Internet. Called IPv6 (Internet Protocol version 6), it will add billions of new Internet addresses to the World Wide Web, something that is running out quickly under the current Ipv4 system. There will also be nowhere left to hide on the Internet as Ipv6 allows all data being sent through cyberspace to be tracked back to its source.

Unlike IPv4, IPv6 tags all outgoing data with a "fingerprint" that is unique to the computer used to send out the data. This allows authorities to track that piece of data back to the original computer used to send it.


The increased traceability also has a number of benefits for Internet users and companies, said Mr Ethan Zuckerman, research fellow at Harvard Law School's Berkman Center for Internet and Society. For example, advertising and news content can be customized to visitors to websites.

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