$GTCH GBT released a Form 8-K on April 22, 2021, o
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"In a wide variety of places high security is essential," he said. "For example, airports, conferences, workplaces, busy streets, and sports events [etc…]. The xCalibre system can compare a real-time video taken in a busy street or mall by scanning people's faces and comparing it with a database to identify a person of interest."
https://www.barchart.com/story/news/1634950/s...biometrics