Wow. I wish they could provide an open source library. But that was probably too much to ask for. Still, this is amazing news.
It would be more convincing if Watson accomplished some real knowledge archievment such as finding a cure for a specific disease, or publish some papers enhance our understanding of some research topics ...
Unix starts small, it works. Google starts small, it helps us tremendously. Haven't seen something starts as a big business plan can success greatly? even Microsoft started small ...