Google on mobile search has a new box for “browse more ideas” for some queries. This box shows is a fancy query refinement to get you to do more searches to refine your query to something more specific.
For example, a search for [beach ideas] will show query refinement options for [beach date ideas], [ideas for beach trips], [beach gift ideas] and [beach party ideas]. Here is a screenshot:
Clicking on any of these conducts another search in Google for that query.
This was first spotted by Saad AK who posted more examples on Twitter:
Brodie Clark convinced me it was new:
Forum discussion at Twitter.
Update: