Two unusual search engines

Just few years ago, the concept of search engine was not widely understood, whilst today everybody associates it with google. It deserves now to talk about two interesting new search engines, one is the older Kartoo which shows graphically relationships among data and Wolphamalpha which allows query with plain senteces and issue results (and not data). That is, after putting a question, WA replies with a result, computed from alghorithms taken by its knowledge database.
After this short introduction, please have fun and remember that the only answer you won't get from WA is: How will be my next future!

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