Assistant brings voice control to the new Google Home smart speaker, in addition to the new Pixels, and lets you control your Chromecast playback with your voice. The goal, said the company's CEO Sundar Pichai, is to make Assistant "universally available." This means we can look forward to more integrations across other Google products, possibly including Chromebooks and Android wearables.

Imagine a not-unlikely future where you can use Assistant on your wrist to tell your Chromecast to pause Netflix when you go to the bathroom. You could even get rid of those Netflix socks altogether. Since Android Wear already offers built-in OK Google capability, it's not a stretch to imagine that being supplanted by Assistant. Again, that's similar to what Apple already allows for with Siri on Apple Watches and MacBooks. And just as Google is bringing its Android OS to televisions and (possibly) laptops, Apple has software that is the same (or very similar) across its TV, phone and tablet operating systems. It's one platform for all devices.