Google is testing or has launched a new search refinement or expansion feature named “popular next steps.” If Google thinks your original query will lead to a new query in your research cycle, Google may show you this “popular next steps” option.
This was spotted by Brian Freiesleben who posted a screenshot on Twitter:
He said clicking on the query will lead to a new search within Google, refined for that new query.
Khushal Bherwani was also able to trigger it for a similar query:
Pretty cool!
Forum discussion at Twitter.