I think he used the python NLTK Kit. http://www.nltk.org/ http://www.nltk.org/ I don't think that Dragon Naturaly Speaking is the best NLP tool out there, it a

I think he used the python NLTK Kit. http://www.nltk.org/ http://www.nltk.org/ I don't think that Dragon Naturaly Speaking is the best NLP tool out there, it appears to me that Stanford's CoreNLP is much more accurate, albeit being a little slower and more ressource hungry due to Java I think. EDIT OT: I've found this blog which might be helpful for people who try to keep up with assistive technology. http://www.assistivetechnologyblog.com/ http://www.assistivetechnologyblog.com/ I wish I knew what advancements they[1] made since 2012: http://www.sciencedaily.com/releases/2012/06/120628164426.htm http://www.sciencedaily.com/releases/2012/06/120628164426.ht... Journal Reference: [1] Bettina Sorger, Joel Reithler, Brigitte Dahmen, Rainer Goebel. A Real-Time fMRI-Based Spelling Device Immediately Enabling Robust Motor-Independent Communication. Current Biology, 2012; DOI: 10.1016/j.cub.2012.05.022