If cell phones could do this w/o me having to get it out of my pocket/purse, then I think it would catch on. Also, Siri at least, seems to have very little ext

If cell phones could do this w/o me having to get it out of my pocket/purse, then I think it would catch on. Also, Siri at least, seems to have very little extensibility (or at least no one is using it).