Google Squared is an experimental search tool that collects facts from the web and presents them in an organized collection, similar to a spreadsheet. If you click on any fact, you'll see the sources Google Squared gathered it from as well as a list of other possible values that you can investigate. So even if your square isn't perfect at the beginning, it's easy to work with Google Squared to get a better answer in no time. Once you've got a square you're happy with, you can save it and come back to it later. If you search for [roller coasters], Google Squared builds a square with rows for each of several specific roller coasters and columns for corresponding facts, such as image, height and maximum speed, explains Google blog.

More Info: Google Squared