Definition and function of cookies
A cookie is a file that is downloaded to your computer to access certain web pages. Cookies allow, among other things, record user activity anonymous to the website, allowing remember certain settings and information about the user in order to have a more personalized web site, set preferences, and data analysis.
Two cookies (PREF & NID) persistent set by Google Maps applications and managed by Google.
The Website may use information about your visits to conduct assessments and statistical calculations on anonymous data, and to ensure the continuity of service or to make improvements to their websites.
Revocation and deleting cookies
In the following links explains cookies management for different web browsers:
Safari, from http://support.apple.com/kb/ph5042
More information about cookies and policy
You can extend more information about cookies at the following links: