Search Within A Search: Google Testing New Search Box

Google is trying out a new search box that displays under the first search result.
Right now, Google’s first search result often includes a search box that lets users search within that first search result, as shown here for Microsoft.com:
According to a report on Google Operating System blog, the new search box is larger and offers a list of search suggestions as you type.
Going beyond the current navigational search box like the one shown above, the new search box displays below the first search result, and does a full Google search versus searching only within the first result.
Here’s a screen shot of the new search box in action: 
From Google Operating System’s test searches, the new search box appears to make an exception for Amazon searches, using Amazon’s internal search versus a Google search:

Explore more on
Add Search Engine Land as a preferred source on GoogleEditorial disclosure
Contributing authors are chosen for their expertise and work under the oversight of the editorial staff. Search Engine Land is owned by Semrush. The contributor was not asked to mention Semrush; the opinions expressed are their own.