No additional API adoption is required to obtain this behavior, and all existing APIs-including that of the UIPopoverController instance provided by the delegate-will continue to work as before.

ENGADGET: Apple seeds iOS 6 beta 4 to developers: here's the changelog

If ornithologists told us that starlings were imitating the group behavior endemic to tech-adoption culture, it would be easy to see the similarity.

ENGADGET: Editorial: Tech is a flock of starlings