Hayley Tsukayama discusses the advantages of Google Home being able to identify users by voices and to thereby customize for individuals, but eventually, she points out the concerns:
Although there are benefits to having home hubs distinguish different voices, there are also some privacy implications to think about. Consumers worried about their voice data being collected in general should think twice before picking up a home hub, said Bradley Shear of the privacy-focused, Maryland-based Shear Law. With this new feature, he said, it’s worth keeping in mind that Google will have even more specific information about you, which could be used in ways that consumers may not realize — particularly if it’s combined with other information tied to your Google account.
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