We’re at the cusp of a sharp rise in devices that have no screen but do have conversational voice controls, such as the Amazon Echo. Smart home and Internet-of-things (IoT) objects that respond to users’ voices will improve and become more intuitive with further iterations and wider adoption.
Source: The bot revolution: How conversational interfaces will replace apps | VentureBeat | Bots | by Ilya Gelfenbeyn, API.AI