Google And Monopoly Theater
techcrunch.com
techcrunch.com
Key word search approximates your question and returns approximate answer. The amount of interpolation of approximations forces to display a long list of links. Here, the job can be done by simple ranking algorithm.
On the other hand, if we want to answer a concrete question we need to provide a concrete information. Watson would not win Jeopardy if "he" provided just a ranking. Here, the job is done by understanding the question. After that we just need a look up table. Google is not secret about their data model. If your web site is fully annotated with OWL and RDF, surly Google can use it for question answering look up resource.
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But, there is still no progress on open ended questions aka "When was the first flight to break the sound barrier?" Because most things seem to be hard coded responses to something like (Category) + Address; math; constants etc
http://www.google.com/search?q=what+is+the+height+of+the+emp...
http://www.google.com/search?q=what+was+the+length+of+the+ti...
It doesn't know everything though - it came up blank on the first flight to break the sound barrier.
Personally, I've never felt like I was locked into Google, couldn't (didn't) have all of my data elsewhere, or couldn't manage without their presence. However, my life would suck a lot if Google didn't integrate with itself.