Requires more battery, clear sky views, etc. The benefit of AirTags is that the sensor network is terrestrial and the energy and comms requirements are offloaded to the sensors.
Sure, but it seems good enough for practical purposes. I mean, in her case it would even have been enough to just mail them a $40 Android phone with location services turned on.
Right, it's certainly cheaper, but my point is it's not a fundamental game-changer - she could've done it 5 years ago with the technology we had then, too.
