You'll just take what you want off the shelf, and walk out the door, and as you walk out the door, it'll scan your total, debit your account, and you're done. It's much easier to apologize than to get permission. We're using it to replace more than half of our 90 MVS applications. Unfortunately, this wasn't it. The more sales people I meet, the more I like the Web.
Most people work in cubicles.
They can hear each other. You don't want everybody to hear everything you're typing into your computer. You can't move a mouse or select things easily with speech. It's a silly idea, and people should stop pursuing it. Anyone who isn't confused really doesn't understand the situation.