https://www.theverge.com/2019/9/10/20859550/apple-iphone-11-pro-airdrop-u1-locator-chip-tag-tile-bluetooth-tracking
futurestream
flipped into acquah techMag
https://www.theverge.com/2019/9/10/20859550/apple-iphone-11-pro-airdrop-u1-locator-chip-tag-tile-bluetooth-tracking