16. The non-transitory computer-readable storage medium of claim 15 , wherein the information comprises demographic features.
15. A non-transitory computer-readable storage medium having instruction stored which, when executed by a computing device, result in the computing device performing operations comprising: receiving, from a speech recognition system, recognized speech; identifying information about a speaker of the recognized speech from the recognized speech; and submitting the recognized speech and the information to a question-answering engine which selects and outputs a response associated with the recognized speech based on the recognized speech and the information.