William Meisel, Ph.D., president, TMA Associates (www.tmaa.com), is an independent analyst and publisher and editor of LUI News (covering commercial applications of the Language User Interface), organizer of the Conversational Interaction Conference, and a consultant on market and product opportunities created by the maturing of speech and natural language technology. His experience in language technology includes founding and running a speech recognition company and authoring a technical book on machine learning.