Neil has been using Dragon Naturally Speaking because he's visually impaired, but he would like to see them make improvements. Leo says that Nuance bought Naturally Speaking, and just about every other competitor. Because of their dominance, Leo doesn't think they really care what they can do to improve it. The best he can do is write them.
Voice translation of the English language is no easy task. Google is doing some serious work, as are others, especially in China. So it won't be long before Nuance gets left in the dust anyway.