By now, most of us know that Google knows just about everything about you, even the bits you've forgotten. For a company whose entire business model is tracking all of your data to serve ads, it should come as no surprise that Google tracks all of your voice searches too. Asked Google to open apps or to call someone? Google has a recording stored on its servers.
(Also see: How to Stop Google From Tracking You on the Web)
According to Google, this is to serve you better search results. However, Google doesn't explicitly tell you that it's storing your voice online. Surprisingly enough Google lets you delete all of this voice search data. It's not visible to anyone other than you and Google. If you want to delete the data, follow these steps.
(Also see: 12 Things DuckDuckGo Can Do That Google Can't)
The only way to stop Google from recording your voice is as follows.
Just for safekeeping, you might want to manually delete all data stored on Google servers and disable everything via the My Activity Controls page. For more tutorials, visit our How To section.