Many consultants are called on to provide expert testimony and subject matter expertise. I have been called on frequently to do this as an "expert".
I am a member of at least one Expert Network. And I am happy to do that work.
The issues of using a machine to provide the same level of service comes into question. Could Watson do this?
There is a great article here.
Have a read - highly recommended for you no matter who or where you are in the Knowledge Food Chain