Look out, Face ID: This hat can fool facial recognition

You're going down, Face ID. Researchers from Fudan University in China, the Chinese University of Hong Kong, Indiana University, and Alibaba Inc. have created a baseball cap that can reliably fool facial recognition software into thinking that you're, well, not you. 
The researchers laced the inside of the cap with tiny LEDs that projected infrared dots onto "strategic spots" on the wearer's face to subtly alter their features, in a technique known as "adversarial learning." 
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