States are increasingly clamping down on how tech companies digitally scan and analyze our most sensitive and potentially lucrative commodity: the faces, eyeballs and other "biometric" data of millions of people.

While facial recognition technology is unregulated at the federal level, 23 states have now passed or expanded laws to restrict the mass scraping of biometric data, according to the National Conference of State Legislatures.

Last month, Colorado enacted new biometric privacy rules, requiring consent before facial or voice recognition technology is used, while also banning the sale of the data. Texas passed an artificial intelligence law in June that similarly outlaws the collection of biometric data without permission. Last year, Oregon approved data privacy rules

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