“Many websites use Google technologies to improve their content and keep it free. When you visit a website that uses our advertising products, social products or analytics tools, your web browser automatically sends certain information to Google. This includes, for example, the web address of the page that you’re visiting and your IP address. We may also set cookies on your browser, or read cookies that are already there.”
For more information about how to control data collected by Google, visit their partner data use page.