Shouldn't IBM start their own search engine if they have algorithms like this?
Or conversely, maybe Google should buy them?
Or conversely, maybe Google should buy them?
I wish you had checked the market cap of IBM and Google before suggesting that :). IBM > GOOG
QA technology is very different than search because the former makes strong assumptions about quality of the underlying data. Google's search is much better at filtering out and dealing with low quality content (e.g. blogs) and spam.
The web is not computing.