Various experiments in using ambient wifi to track movements (vs. wearing rfid tag) There was a hn post about wearable sleeve that modifies/adjusts sound to te

Various experiments in using ambient wifi to track movements (vs. wearing rfid tag) There was a hn post about wearable sleeve that modifies/adjusts sound to text or "relevant frequencies". Conducting sound to bone and/or using cell phone/blue tooth ear speakers set-up cheaper / easier to impliment / more portable than wall setup. [1] [1] Canarias DC soundwalk : https://explore.echoes.xyz/collections/FMI9Kr8oteVAqi9K https://explore.echoes.xyz/collections/FMI9Kr8oteVAqi9K