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

NPR: The Marketplace Report: U.K.'s Car Tracking System

India is collecting biometric data from over one billion residents to issue them each a unique identification number.

FORBES: We Don't Need a National ID Card

The money would be transferred to the beneficiary's bank account which would be linked to a unique identification number.

BBC: India unveils cash subsidy plan for poor

Is India's showpiece multi-billion-dollar unique identification number (UID) programme unravelling?

BBC: Is India's identity number scheme unravelling?

Under the new rule, large traders will need to identify themselves to the SEC, and each trader will be a unique identification number, which will need to be provided to each broker-dealers that they use.

FORBES: New Large Trader Rules Adopted; SEC Hopes To Better Monitor High-Frequency Trading

The evidence presented revealed Valle's unique police officer identification number, which corresponds with the identification number used to search the names of his alleged victims.

CNN: STORY HIGHLIGHTS

After the Form 13H is files, the SEC will then assign each large trader a unique large trader identification number (LTID), which will allow the SEC to efficiently identify and analyze trading activity by the large trader.

FORBES: New Large Trader Rules Adopted; SEC Hopes To Better Monitor High-Frequency Trading

Nandan Nilekani, head of the Unique Identification Authority of India, believes that the number can transform Indian politics by curbing theft and leakage of public funds.

BBC: Is India's identity number scheme unravelling?