You can also talk to Siri, you don't need to type any of it. I know their demo shows typing, but that's an easier visualization since you don't really want the

You can also talk to Siri, you don't need to type any of it. I know their demo shows typing, but that's an easier visualization since you don't really want the webpage to be playing video with sound out of the blue. In this case I think it is simply a trade off of making the presentation more clear for the audience.