1. What is a cookie?
A cookie is a small text file that is sent to your computer or mobile device when you visit the website and is stored by the website on your computer or mobile device when you open the site. During each subsequent visit, cookies are sent back to the originating website or to another website that recognizes this cookie. Cookies act as a memory for a particular website, letting this site remember your computer during any further visits. Also, cookies can remember your settings or improve user experience.
Google maps cookie that captures map usage;
You can read more about the Google Analytics Terms of Service here: http://www.google.com/analytics/terms/us.html.