LB
Remember smartdust? is this nano smartdust to track people by satellite?
Smartdust is old tech, how much smaller have they made the chips since then?
https://defensereview.com/hitachi-powderdust-%c2%b5-chip-ultra-small-micro-rfid-chip-with-embedded-antenna-for-military-and-clandestine-intelligencesurveillance-applications-u-s-military-law-enforcement-and-inte/
https://www.forbes.com/sites/bernardmarr/2018/09/16/smart-dust-is-coming-are-you-ready/?sh=7bcb1c2c5e41