Spotted on google.com: people searches return rich contact data in autosuggest box:

Predictably, it only works for people with Google+ data.

Turns out that selecting that option and pressing return doesn’t navigate to aaronpareki.com, or even a Google+ page, but adds a weird state indicator and a “this option does not exist” warning:

(just in case anyone’s wondering, the reason I was searching was to attempt to reproduce this)

That is not quite what I was looking for, @duckduckgo, but top marks for effort ;)

Found another DDG feature: https://duckduckgo.com/?q=verb types