How different is the question-answering problem from search? what makes it different? 2. what did the funnel of ideas look like? did those using it know whether new algorithms were broadening the funnel, or was this purely trial and error? 3. what is the ibm watson approach to product development? can you compare it to other approaches that you have seen? 4. is the jeopardy! problem unique? what other areas can ibm apply this capability to? 5. what other insights do you see in the case, especially with regard to what might be called ‘confirmatory as opposed to ‘exploratory' analysis?