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Loosely related: iOS devices are very talkative about seen Wi-Fi networks albeit Apple started to address such privacy issues with iOS 8, see http://www.reddit.com/r/Android/comments/2uyw50/wifi_privacy...

It doesn't seems to be iOS 8 only. Recent versions of iOS 7 seem to be fixed as well. (Tested my phone earlier this week)

How long did you test? I'd recommend sniffing for at least a few hours.