IOS has a "feature" which lets advertisers track iPhone iOS6 users. Tracking is 
on by default, although the wording of the setting is ambiguous. The setting is 
not under "Privacy", but under "General" in Settings.
 
In order to disable it, go to Settings>General>About>Advertising which is 
located as the third last item just above Diagnostics & Usage and Legal.

To read about it, click on 
<http://www.businessinsider.com/ifa-apples-iphone-tracking-in-ios-6-2012-10>

Sneaky invasion of privacy? I think so.

Regards,

Michael Hawkins.
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