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"Google's in-depth articles just got an update.  Google announced it on Google+ highlighting two new features.(1) A link under the 3 in-depth articles to show more in-depth articles(2) Explore links to"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/google-in-depth-articles-add-17777.html>