The Google Home Hub is aptly named.
It's certainly not the first product to lay claim to the term "hub" but it might be the first product to embody the word so fully. It's not centered around a single use case — like, say, the Facebook Portal is built around video chat — but instead brings together the functionalities of several different products: smart speaker, tablet, digital photo frame, and smart home controller.
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The Home Hub is technically in the category of "smart display," but that doesn't capture what it does any better than "smart speaker" describes an Amazon Echo. The Hub is more of an "ambient computing enabler," with some interesting extras that the display bestows. Read more...More about Google, Smart Home, Google Assistant, Smart Speaker, and Google Home Hub