The new Guest Mode on Google Smart Speakers limits access to your persona data like your calendar and won’t save queries to your account.
It can be enabled by saying “Hey Google, turn on guest mode.”
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Starting today, all Google smart speakers, including the Nest Hub and Nest Mini, have a new option called “Guest Mode.” Turning it on will let the speakers keep all of their Google Assistant features while keeping users from accessing your personal data. Queries will no longer be saved to your Google account and your personal data, like your calendar, for example, will not be shown. But the speaker will still be able to perform basics like set timers, answer questions, play music, and, of course, tell (bad) jokes.
But remember, turning off Guest Mode is as easy as asking the speaker to turn it on. That means your data is only one voice command away at any time. It is more of a safeguard than a real privacy filter. And even when Guest Mode is on, the speakers still need to be connected to your Google account to access all the integrations you have set up with music, streaming, smart home, etc…