People seem to be completely unable to grasp that this isn't a search engine. It's a computable knowledge engine. They are completely and utterly different.
If the system has a downfall it will primarily be due to this, I suspect.
I know whats it for. Tested it already yesterday and quite a lot today. Still it doesnt give any answers to many trivial questions, while google does. Conclusion, a) it simply doesnt work b) has too little data to be of any use