Which biometric was selected as the primary travel document biometric by TAG/MRTD in 2001?

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Multiple Choice

Which biometric was selected as the primary travel document biometric by TAG/MRTD in 2001?

Explanation:
The main point is why the facial image was chosen as the primary biometric for travel documents. In 2001, TAG/MRTD selected the facial photograph as the default biometric because a photo is universally present on passports, easy to capture during issuance, and straightforward to compare with the holder at border control—both by eye and with emerging facial recognition technology. This makes it practical, non-invasive, and widely implementable across different countries and systems. Fingerprints and iris were considered for additional verification, but they require more specialized sensors, higher costs, and can pose broader inclusion and logistical challenges. DNA is not used for travel documents due to privacy, cost, and practicality concerns.

The main point is why the facial image was chosen as the primary biometric for travel documents. In 2001, TAG/MRTD selected the facial photograph as the default biometric because a photo is universally present on passports, easy to capture during issuance, and straightforward to compare with the holder at border control—both by eye and with emerging facial recognition technology. This makes it practical, non-invasive, and widely implementable across different countries and systems. Fingerprints and iris were considered for additional verification, but they require more specialized sensors, higher costs, and can pose broader inclusion and logistical challenges. DNA is not used for travel documents due to privacy, cost, and practicality concerns.

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