Google “How old is the president of north korea”

> to organize all of the data in the world and make it accessible for everyone in a useful way.

Parent link

> to make all systematic knowledge immediately computable and accessible to everyone.

http://m.wolframalpha.com/input/?i=age+of+president+of+north...

Formatting the G. query using the format of W.A. into account:

https://www.google.com/search?&q=age+of+president+of+north+k...

It would be interesting to see, given a Google query, which ones are xx% similar.