This is interesting, particularly the contrast tables.

This is interesting, particularly the contrast tables. Try searching for “dog vs. cat” for example,  or as the article suggests, “corgi vs. pug” 

Originally shared by Robert Love

Hummingbird.

#googlebirthday

http://bits.blogs.nytimes.com/2013/09/26/google-changes-search-to-handle-more-complex-queries/