They've got drones that can track you by BO. https://www.wired.com/story/this-drone-sniffs-out-odors-with-a-real-moth-antenna/ https://www.wired.com/story/this

They've got drones that can track you by BO. https://www.wired.com/story/this-drone-sniffs-out-odors-with-a-real-moth-antenna/ https://www.wired.com/story/this-drone-sniffs-out-odors-with...