<ul><li>In 2017, Facebook engineers experimented with facial recognition using a smartphone on a cap to identify people, but privacy concerns prevented its release.</li><li>Smaller companies like Clearview AI and PimEyes have since developed controversial face search engines using public web photos.</li><li>Tech giants Google, Apple, and Facebook had facial recognition technology but chose not to release it widely, using it for phone unlocking and photo tagging instead.</li><li>Meta is cautious about adding facial recognition to its AR glasses due to legal and ethical issues.</li></ul>

The Technology Facebook and Google Didn’t Dare Release

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