Command language interface (CLI) is one of the oldest UI. On the other hand, although people have aspired to have a natural language interface (NLI) almost as long as we had CLI, NLI has not been practical for general tasks for a long time. What is your assessment for the future of NLI as a substitute for CLI? In particular: Will the advance of NLI eliminate the need for CLI? What are their impact on usability? How would you evaluate the usability of CLI and NLI? You may want to research this topic a bit by reading a couple of recently published papers on this topic. If so, please cite the paper in your answer.
Your answer should be in the form of a short essay (or a short research paper) between 1 and 5 pages.