# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2017-11-04 01:19:38 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/926619917495029760) In reply to: [@twolivesleft](http://twitter.com/twolivesleft/status/926618703218720769) @twolivesleft @BigZaphod I’m guessing iBeacon proximity