Well, apparently it hasn't been answered, considering other's have the same question...
...and you still won't answer the question. You won't answer the question because you know it punches holes in your argument. I did what I should've done initially and researched it myself, so I'll answer it--no you cannot send an email or a text message without actually touching the screen. Same goes for adding an appointment to your calendar. The video you provided even shows that a touch is required to complete many commands--he had to touch 'send email' to complete the request.
Yes, touchless control on the Moto X allows you to do some things without ever having to touch a button or the screen. However, the functionality that most of us are inquiring about still requires use of the touchscreen in Google Now, regardless of the device. So keep up all the blustering about how much more useful touchless control it on the Moto X...even though the point Strausd and others are making is actually the truth.
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Thank you very much. See jamezr, was that so difficult?