One of the students asked this during the Q&A period at the end of the talk, he said it was just some Javascript and HTML cooked up to do just the things that h

One of the students asked this during the Q&A period at the end of the talk, he said it was just some Javascript and HTML cooked up to do just the things that he showed. So it wasn't a real demo, only something he whipped up to demonstrate the ideas but wouldn't be available to use for actual coding.