levo - 9:52 pm on Feb 17, 2012 (gmt 0)
From Google's cache of [google.com...]
While we don't yet have a Safari version of the Google advertising cookie opt-out plugin, Safari is set by default to block all third-party cookies. If you have not changed those settings, this option effectively accomplishes the same thing as setting the opt-out cookie.
They've been following Safari users all along.. I was wondering why the hell Safari on iPad was trying to "resubmit a form" when I hit the back button while testing my website with adsense/+1 button on it.