Google tests a new feature of the knowledge sidebar: a link that invites you to “explore more”. The Knowledge Graph section doesn’t allow Google to show more than 5 related people, books, albums, movies, so the experiment displays more of them below the search box.
For example, when you search for a movie and click “explore more”, Google shows more cast members. You can use the arrow icons to switch to a different category.
{ Thanks, Maarten. }
