As the about page explains, this is Ask's "double-secret sandbox for testing Ask experiences of the future".
The layout is new with a tri-panel interface, similar somewhat to AskCity, another recently launched Ask addition.
Ask details the development below though when doing searches there were only 2 panels for a search of AussieWebmaster, one for Danny Sullivan brought all three.
# Left: A search control panel that stays with you, complete with Zoom Related Search and Search Suggestions that update as you type.
# Middle: Results front and center to provide clutter-free information without having to scroll down the page, and Binoculars to preview results.
# Right: A preview of other types of search results, including video, news, images, blogs, shopping, encyclopedia and more.