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tal@lemmy.today ⁨8⁩ ⁨months⁩ ago

I would say that it’s not hard to replace. I mean, all you need is an app that dumps GPS data and a list of signal strengths to start building out a database.

What’s hard is doing one that is as complete and accurate as Google’s, because Google is hoovering up data from most cell phones about the location of a lot of devices.

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