Full Size Box in Bing At The Bottom Right Of Search Results

As you scroll down the Bing search results page with your browser window being broad enough to fit it, you will be able to see a full-size search box in the bottom right corner. Else Bing will display a floating magnifying glass which can be tapped to activate your search box.

Below is the normal search box at the top left, after you search a specific query at Bing:

Below is the magnifying glass floating at the bottom right corner as you scroll through the Bing results.

Here is the full-size search box floating at the bottom right corner which is visible on expanding the browser window: