Check out Wolfram Alpha, one awesome attempt to turn searching into a more natural feel. This site has a long term gold to make al systematic knowledge immediately computable.
You can type in dates to see what happened back then, enter any math formula, any city. Pretty cool stuff and it returns some surprisingly accurate information.
However being that it is semantic search, it takes a little to get used to after searching for vague ideas in Google like "seo pittsburgh cheap” or “sexiest man in pittsburgh.” Wait, does that last one even need searched? hehe…anyway I will be keeping my eye on this and see if they can integrate it into Google APIs to provide better imagery and more meta information.