Yes, for small systems, I think of the processor as free, with the cost and bulk being in the peripherals these days. As processors become more powerful, voice

Yes, for small systems, I think of the processor as free, with the cost and bulk being in the peripherals these days. As processors become more powerful, voice I/O becomes the cheapest way to interact - microphones and speakers, or even just a Bluetooth link, are much less expensive and less bulky than a screen and keyboard.