Dustin is right: a truly pleasant user experience would necessary involve continuous listening (without hotword à la OK Google), as well as leveraging the user

Dustin is right: a truly pleasant user experience would necessary involve continuous listening (without hotword à la OK Google), as well as leveraging the user context much more than what Siri or Google Now do today. See for instance the vision depicted in the movie Her [1]. Beyond Google or Apple, a few startups (like us at wit.ai) are hard at work designing building blocks to help developers solve these problems. [1] https://wit.ai/blog/2014/02/24/her-the-movie https://wit.ai/blog/2014/02/24/her-the-movie