You can’t access the WiFi list without private APIs in iOS (see eg., https://stackoverflow.com/questions/1203307/how-to-display-a-list-of-wifi-networks-in-an-iphone-app …) so, on first thought, one of three things: …https://twitter.com/_rodrigoibarra/status/926277203121360896 …
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2. Facebook already has a dataset of WiFi hotspots it purchased/obtained and uses that based on location/proximity to current WiFi network …
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3. Facebook uses (with or without Apple’s permission), private APIs to get the list of nearby WiFi networks …
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…If what the person reported here is accurate (WiFi is off, location is off), then either FB is faking it or it’s #3. Other ideas welcome.
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