Table: How High Tech Can Bolster National Security

DATA MINING

Software will let government agencies share and analyze data on everything from airline passenger manifests to terrorists' e-mail exchanges

IDENTIFICATION TOOLS

Fingerprint readers, iris scanners, and magnetic or chip-based ID cards could authenticate identities at airports and military bases

COMMUNICATIONS

Mobile phones and GPS systems are being retooled for locating 911 callers--and can also aid in tracking terrorist activities

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