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To make this site work properly, we sometimes place small data files called "cookies" on your device. Most large websites do this too.


What are cookies?


A cookie is a small text file that websites save on your computer or mobile device when you visit them. Cookies allow the site to remember your actions and preferences (such as login, language, font size, and other display settings) so you don’t have to re-enter them whenever you come back to the site or browse from one page to another.


How do we use cookies?


We use cookies on some pages to remember:

- your display preferences, such as contrast settings or font sizes

- if you have already responded to a pop-up survey about the content's usefulness, to avoid asking you again

- if you have agreed to our use of cookies on the site.


Additionally, some videos embedded in our pages use a cookie to anonymously gather statistics on how you arrived at the page and which videos you watched. You do not need to enable cookies for the site to function, but doing so will improve your browsing experience. You can delete or block cookies, but some site functions may not work correctly as a result.


The information regarding cookies is not used to identify users, and browsing data remains under our control. These cookies are used solely for the purposes described here.


Do we use other cookies?


Some pages or specific sub-sites may use additional cookies not described here. In such cases, information will be provided on a specific page, and you may be asked to authorize the installation of these cookies.


Category of Use Example

Preferences These cookies allow our websites to store information that changes the behavior or appearance of the sites, such as your preferred language or the geographic area in which you are located. By storing the geographic area, for example, a website could offer you local weather forecasts or local traffic news. Cookies can also help you change text size, font type, and other customizable parts of web pages. Losing the information stored in a preference cookie may make the website experience less functional, but should not affect its operation. Most Google users have a preference cookie called "PREF" in their browsers. A browser sends this cookie with requests to Google sites. The PREF cookie may store your preferences and other information, in particular your preferred language (e.g., Italian), how many search results you want to display per page (e.g., 10 or 20), and your preference for activating Google's SafeSearch filter.

Security We use security cookies to authenticate users, prevent fraudulent use of login credentials, and protect user data from unauthorized parties. For example, we use cookies called "SID" and "HSID" which contain digitally signed and encrypted records of a user’s Google account ID and most recent login time. The combination of these two cookies allows us to block many types of attacks, such as attempts to steal the content of forms you complete on web pages.

Processes Process cookies help make the website work and deliver services that website visitors expect, such as navigating between pages or accessing secure areas of the site. Without these cookies, the site cannot function properly. For example, we use a cookie called "lbcs" which allows Google Docs to open many documents in one browser. Blocking this cookie would prevent Google Docs from functioning correctly.

Advertising We use cookies to make advertising more engaging for users and more valuable to publishers and advertisers. Some common uses of cookies include selecting advertising based on what is relevant to a user, improving reporting on campaign performance, and avoiding showing ads the user has already seen. Google uses cookies like PREF, NID, and SID to help personalize ads on Google properties, such as Google Search. For example, we use them to store your most recent searches, your previous interactions with an advertiser's ads or search results, and your visits to an advertiser's website. This helps us show you customized ads on Google. We also use cookies for advertising we serve across the web. Our main advertising cookie on non-Google sites is called "id" and is stored in browsers under the domain We also use others with names like _drt_, FLC, and exchange_uid. Sometimes a cookie may be set on the domain of the site you are visiting. For example, our DoubleClick product may set a cookie called “__gads” on the domain of the site you are visiting. Other Google properties, like YouTube, may also use DoubleClick cookies to show more relevant ads. Learn more about ads and YouTube. Google also uses conversion cookies whose main purpose is to help advertisers determine how many people who click on their ads end up purchasing their products. These cookies allow Google and the advertiser to determine that you clicked the ad and later visited the advertiser’s site. Conversion cookies are not used by Google for interest-based ad targeting and persist for a limited time. These cookies are generally set in the domain or the domain. Conversion cookie data may also be used in combination with your Google account to link conversion events across different devices you use. Only anonymous conversion data gathered through these cookies is shared with advertisers. Some other cookies may also be used to measure conversion events. For example, DoubleClick and Google Analytics cookies may also be used for this purpose and may be set on the domain of the site you are visiting.

Session State Websites often collect information about how users interact with them. This may include the pages users visit most often and whether users get error messages from certain pages. We use these “session state cookies” to help us improve our services and enhance users’ browsing experience. Blocking or deleting these cookies will not make the website unusable. These cookies may also be used to measure the effectiveness of PPC (Pay Per Click) and affiliate advertising. For example, we use a cookie called “recently_watched_video_id_list” to allow YouTube to record the videos watched most recently by a specific browser.

Analytics Google Analytics is a Google analytics tool that helps website and app owners understand how their visitors engage with their properties. It may use a set of cookies to collect information and report website usage statistics without personally identifying individual visitors to Google. In addition to generating reports on website usage statistics, the Google Analytics pixel tag can be used, together with some of the advertising cookies described above, to enable us to show more relevant results in Google properties (such as Google Search) and across the web. Read more about Analytics cookies and privacy.


More information about third-party cookies:


Google Analytics (Google)

Google Analytics is a web analysis service provided by Google Inc. (“Google”). Google uses the Personal Data collected to track and examine the use of this Application, to compile reports and share them with other services developed by Google. Google may use the Personal Data to contextualize and personalize the ads of its own advertising network. Personal Data collected: Cookies and Usage Data. Place of processing: USA – Privacy Policy – Opt Out


Interaction with social networks and external platforms

These services allow interaction with social networks, or with other external platforms, directly from the pages of this Application. The interactions and information acquired by this Application are in any case subject to the User’s privacy settings for each social network. In the event that an interaction service with social networks is installed, it is possible that, even if Users do not use the service, it collects traffic data relating to the pages where it is installed.


Facebook Like button and social widgets (Facebook, Inc.)

The Facebook Like button and social widgets are services of interaction with the Facebook social network, provided by Facebook, Inc. Personal Data collected: Cookies and Usage Data. Place of processing: USA – Privacy Policy


Google+ +1 button and social widgets (Google Inc.)

The Google+ +1 button and social widgets are services of interaction with the Google+ social network, provided by Google Inc. Personal Data collected: Cookies and Usage Data. Place of processing: USA – Privacy Policy


How to control cookies?

You can control and/or verify cookies as you wish – to learn more, visit You can delete all cookies already on your computer and set almost any browser to prevent them from being placed. If you do this, however, you may have to manually adjust some preferences each time you visit the site and some services and functionalities may not be available.


Managing preferences

Most browsers allow you to manage cookie preferences. You can set your browser to refuse cookies or delete only some of them. Similarly, you can disable the use of other similar technologies. The following links show how to set preferences on commonly used browsers:

Internet Explorer





Please remember that if you choose to block the receipt of cookies, it may compromise or prevent the proper functioning of the Service.


More information


For more information on the use of cookies and how to block them, you can visit, for Europe, or for the United States.

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