The Bing team has been looking for ways to improve search engines. The team has now begun testing a new feature that may help users find more accurate search results. This new feature prompts users with additional questions to narrow or filter search results. For example, when we search "blue screen" on Bing, we will further consult "the version of windows you want to search". Similar problems appear in other search terms, which help users narrow the search scope and obtain relevant information.
This feature is not really new, and similar features have been available on Google for some time. However, Bing's features are more accurate than Google's and better than Google's in terms of information filtering.