Mossberg: Google Home shows promise, but needs work

Like many tech enthusiasts, I've been using a $180 Amazon Echo intelligent speaker at my home for a year or more. And, while I love using it for some things -- playing music and podcasts, setting timers, and re-ordering items from Amazon -- I've come to realize that, like Apple's Siri and all other virtual assistants, its Alexa voice-driven artificial intelligence system disappoints a lot. So I was excited to test Google Home, the $129 Echo competitor that puts the search giant's much-touted new Google Assistant intelligence technology inside a small, but powerful Echo-like speaker and microphone unit. Surely, I thought, after collecting all that info about the world (and about me) for years and years, Google would crush Amazon in the home-intelligence race. But after nearly a week of using two Google Home units in two different rooms, my conclusions are decidedly mixed.