Siri and the Google app with speech recognition are already pretty interesting, but the biggest reason for not using them is that you need to touch the device t

Siri and the Google app with speech recognition are already pretty interesting, but the biggest reason for not using them is that you need to touch the device to get them started. If there was a way to keep such an app always open and just say "computer" and then ask the question instead of having to press a button, it would be much more useful.