One thing I've recently come to realize is that there are situations where Google and Wikipedia are utterly useless.
For instance, situations like this, where you have a picture of a place and wants to know what place it is.
And the similar one I'm in a lot at the moment, where I have a plant and want to know which it is and whether I should be bringing out the flamethrower or the fertilizer.
There's a bazillion pictures and descriptions of plants out there, but no key.

Or when you don't know the words, so can't come up with the right search terms.

Actually I've been thinking a bit if those two problems could be combined, to make a site where eg. a series of plant morphologies where shown as pictures for the user to select between, and the site built a search based on the technical terms for those, then used Google to look for a match and presented that as a possible answer.

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"God bless thee, my son; I will give thee the greatest jewel I have ...
"The end of our foundation is the knowledge of causes, and secret motions of things; and the enlarging of the bounds of human empire, to the effecting of all things possible."Trying to make sense of computers, The Error Log.