Voice-based interfaces are becoming commonplace. Voice assistants such as Siri and Cortana have been around for a few years, but this past holiday season, voice-driven devices from Amazon and Google made their way into millions of homes.
Recent analysis from VoiceLabs estimates that 24.5 million voice-driven devices will be shipped this year, almost four times as many as last year. As experience designers, we now have the opportunity to design voice experiences and interfaces!
Source: Smashing Magazine Designing Voice Experiences