Libra

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Libra

1. An obsolete unit of weight in the early metric system approximately equivalent to 500 grams.

2. An ancient Roman unit of weight approximately equivalent to 328.9 grams. It was also called an as.
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Facebook says it won't use Libra data to target ads, but may share data 'to keep people safe, comply with the law and provide basic functionality.' Facebook is creating a subsidiary, Calibra, to try to keep the operations separate.
Libra is scheduled to launch publicly in the first half of next year.
Though Libra could be a way for Facebook to drive spending when people interact with Facebook ads, the company says the currency will be independent and won't require a Facebook account to use.