Experiment: Latest Google+ Post Included in Main Google Search Results Within 20 Minutes

It took less than a minute for my latest post to Google+ to show up in logged-in, personalized search results for Google+ users.

And it took just 20 minutes for that Google+ post to be visible to non-logged in users via the main Google search results. I double checked this by using Chrome to do an incognito search. Here are the screen captures:
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