In his recent keynote Google CEO Sundar Pichai said
In fact, when I look at where computing is headed, it’s clear to me that we are evolving from a mobile-first to an AI-first world.
Devices like Amazon’s Echo and Google Home are “always-on” intelligent assistants designed to sit quietly and await our bidding.
As the devices recede into the background it’s the AI-powered services that will come to the fore.