This just came out - a new experimental front end for Live Search - FAQ Here. The introduction of the 'shelf' is quite novel - here is how you use it:
Step 1. Go to www.tafiti.com
Step 2: Enter your search term (I am going to search for Tafiti itself):
Step 3: You'll see search results and the 'shelf' which I annotated to highlight it
Step 4: Drag the search results you want to store onto the shelf - you can label each 'stack' - (the labels don't show below)
And explore away - from the FAQ here are more things you can do with the shelf:
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Then you can also try the tree view to see how the results relate: