Covid vax had RFID tracking chips in it. Skip to 2:50 in the video.
(odysee.com)https://odysee.com/@brambleweed:5/Bioteq-injectable-chip:6Even if the video is fake the tech is still possible. They could put RFID chips in your food and you'd be traceable as long as there is an power emitter and a receiver around. Once that ID is associated to a person and there are cell towers everywhere, you can't go anywhere without somebody knowing.
https://anamihalceamdphd.substack.com/p/micro-chipping-workers-and-leaked