It needs a large enough network of users. There are rumours that Apple will come out with similar beacons, and the Covid-tracking API means iOS will already be

It needs a large enough network of users. There are rumours that Apple will come out with similar beacons, and the Covid-tracking API means iOS will already be scanning in the background for users that enable that, so there may be some hope in the future. UWB for better estimation of direction and range to the beacon could also help: https://www.patentlyapple.com/patently-apple/2019/01/apple-invents-ibeacon-version-2-using-ultra-wide-band-radio-technology.html https://www.patentlyapple.com/patently-apple/2019/01/apple-i...