The failure of the high-tech biometric voter-identification kits on voting day had, by and large, one distinctly low-tech cause: A lack of electricity at polling stations.

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Dubbed the Next Generation Identification (NGI) program, the high-tech endeavor uses biometric data such as DNA analysis, iris scans and voice identification to track down folks with a criminal history.

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Alliance Tech claims its system is the first radio-frequency identification (RFID) system to track trade show and conference-goers.

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This system involves high-tech license plates which constantly transmit a vehicle's unique identification number.

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The most interesting experiment is being done by Qantas at Sydney and Perth airports with high-tech frequent-flier cards that are embedded with an RFID (radio-frequency identification) chip.

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