You can let Google save a recording of your voice and other audio to give you more personalized experiences across Google services and to improve speech technologies for you and everyone.

With location reporting, Google can track your whereabouts, which you may find useful, interesting or invasive. Learn how to check if Google is tracking you and how to stop it if it is. How to Get Your Entire Google Search History — and Delete It! Apr 22, 2015 Google Anonymizing Search Records To Protect Privacy Mar 14, 2007 How to protect your privacy on Google

Your data in Search - Google Search

How to Limit How Long Google Keeps Your Data | WIRED The feature allows users to set a time limit for Google to retain certain types of data, either three months or 18 months, after which the information is automatically deleted. For now, the Google is making it easier to wipe out your search history Oct 24, 2018

How long does Google retain my web history? - Quora

Jul 14, 2013