The SmartTag 3’s dual-mode positioning and a paradoxical compatibility strategy — it supports iPhone for the first time, yet still locks out non-Samsung Android phones.
SmartTag 3 的双模定位技术，以及一个「拧巴」的兼容策略——首次支持 iPhone，却仍把 Pixel 等非三星安卓挡在门外。
The AirTag 2’s louder speaker, second-gen UWB, airline Share Item Location, and how its anti-stalking safeguards evolved — and where they still fall short.
AirTag 2 更响的扬声器、第二代 UWB 芯片、面向航司的「共享物品位置」，以及反跟踪护栏的进化与仍未闭环的短板。
Google Find Hub adds NFC tap-to-identify and streamlined registration — and a clear-eyed look at why Bluetooth trackers are for finding things, not chasing pets or people.
Google Find Hub 新增 NFC 触碰识别与简化注册流程，并厘清蓝牙防丢器为何只能「防丢」，不能用于追踪宠物或人。
How the Find My and Find Hub crowdsourced networks work, Google’s first-party Pixel Tag, and a side-by-side comparison of the three major tracker ecosystems.
拆解 Apple Find My 与 Google Find Hub 两张众包定位网的技术原理、谷歌首款第一方防丢器 Pixel Tag，以及三大防丢生态的横向对比。
The Dark Side of Item Trackers: Location Tracking Abuse, and the Coin Battery That Can Kill. A bilingual FAQ on the hidden risks of Bluetooth trackers: stalking abuse and the CR2032 coin-cell hazard.
防丢器背后的「暗面」：被滥用的定位追踪，以及那颗可能致命的纽扣电池。一份中英双语 FAQ，聚焦蓝牙防丢器的隐藏风险——定位追踪滥用与 CR2032 纽扣电池隐患。
A working prototype is not a complete manufacturing handoff. For a Google Fast Pair project, align the registered model, firmware configuration, user-facing identity and controlled production records before releasing an OEM tracker batch.
样机能够工作，并不代表量产交接已经完成。对于采用 Google Fast Pair 的项目，应在 OEM 防丢器批次放行前，对齐注册型号、固件配置、用户可见的产品身份，以及受控的生产记录。
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