Google continues to test new query expansion methods in AI Mode, beyond standard follow-up questions. Now Google is testing questions with multi-selection tools, a query refinement option and those recent paginated responses.
These new options were spotted by Sachin Patel who posted on X and on Search Engine Watch.
Here are the muti-selection follow up selections via SEW:
Here are the refinements options via SEW:
I am not sure how new these are but I expect a lot of these tests from Google.
Forum discussion at X.
