https://preprod.bigthink.com/the-present/health-data-surveillance/
Wireless movement-tracking system could collect health and behavioral data - Big Think
Sep 30, 2021 - Radio-frequency signals can be used to track peoples' movements in their own homes.
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https://news.mit.edu/2019/movement-tracking-system-marko-behavioral-data-0508
Wireless movement-tracking system could collect health and behavioral data | MIT News |...
MIT researchers developed a system, called Marko, that leverages radio-frequency (RF) signal reflections off human bodies to track a person’s movement and...
movement tracking systemmit newswirelesscouldcollect