http://spywareitdaiuyfo2sqb5vsg7mek5cjabdr73luhnda57t2hyuzg7yyd.onion/articles/chrome.html
"Voice & audio information may be collected. For example, if your child uses audio activation commands (e.g., "OK, Google" or touching the microphone icon), a recording of the following speech/audio, plus a few seconds before , will be stored to their account…" This feature is opt-in if you are using the "Google Accounts" spyware platform and specifically tell Google to build a profile of your child.