Facial recognition technology has been used for security purposes for decades. But today, businesses are using it to track and identify consumers and employees in ways that many people aren’t aware of - even at grocery stores and convenience stores. Many people are understandably concerned about their privacy, so we asked Samuel Hodge Jr., professor of Legal Studies at Temple University, to explain how this technology works, how it’s being used, and what laws exist around it. We also get into the margin of error in this technology, especially for people of color, women, and older people.

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