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Cookies are small text files that can be used by web sites to make a user's experience more efficient.

The law states that we can store cookies on your machine if they are essential to the operation of this site but that for all others we need your permission to do so.

We use essential cookies (called session cookies) designed to guarantee a friendly and rich user experience. This type of cookies does not store any personal information about the user.

Our website does use some non-essential cookies. We do not do this to track individual users or to identify them, but to gain useful knowledge about how the site is used so that we can keep improving it for our users. Without the knowledge we gain from the systems that use these cookies we would not be able to provide the service we do.

We use Google Analytics, a popular web analytics service provided by Google, Inc. Google Analytics uses cookies to help us to analyse how users use the site. It counts the number of visitors and tells us things about their behaviour overall – such as the typical length of stay on the site or the average number of pages a user views.

The information generated by the cookie about your use of our website (including your IP address) will be transmitted to and stored by Google on servers in the United States. Google will use this information for the purpose of evaluating your use of our website, compiling reports on website activity and providing other services relating to website activity and internet usage.

Google may also transfer this information to third parties where required to do so by law, or where such third parties process the information on Google's behalf. Google undertakes not to associate your IP address with any other data held by Google.

If you have Adobe Flash installed on your computer (most computers do) and you use audio or video players within our website, Google Analytics will try to store some additional data on your computer. This data is known as a Local Shared Object or Flash cookie. This helps us to analyse the popularity of our media files. We can count the total number of times each file is played, how many people watch videos right to the end and how many people give up half way through. Adobe's website offers tools to control Flash cookies on your computer.

If you want to delete any cookies that are already on your computer, please refer to the instructions for your file management software to locate the file or directory that stores cookies. You can access them through some types of browser.

Cookies used by this website

• (AddThis) xtc: AddThis's cookie used to load the embedded sharing widget on the website
• (Google Analytics) __utma: Used to distinguish users and sessions. The cookie is created when the JavaScript library is run and when there is no __utma cookie. The cookie is updated each time the data is sent to Google Analytics.
• (Google Analytics) __utmb: Used to determine new sessions / visits. The cookie is created when the JavaScript library is run and when there is no __utmb cookie. The cookie is updated each time the data is sent to Google Analytics.
• (Google Analytics) __utmc: Not used in ga.js. Defined for interoperability with urchin.js. Historically, this cookie operates in conjunction with the __utmb cookie to determine if the user was on a new session / visit.
• (Google Analytics) __utmt: Used to control the request rate.
• (Google Analytics) __utmz: Stores traffic source or campaign that explains how the user came to your site. The cookie is created when the JavaScript library is run and refreshed each time the data is sent to Google Analytics.
• (Vimeo) player: These cookies are used by Vimeo when playing an embedded video as a way to create statistics for the videos. More information about Vimeo cookies can be found here: https://vimeo.com/cookie_policy
• (Vimeo) vuid: These cookies are used by Vimeo when playing an embed video as a way to create statistics for videos. More information about Vimeo cookies can be found here: https://vimeo.com/cookie_policy
• cookie-disclaimer: cookie-disclaimer is a cookie created at the time you accept Cookies Policy and is used to avoid repeating explicitly accepting Cookie Policy when browsing the site
• csrftoken: csrftoken is a cookie that protects the site and user from attacks of Cross-Site Request Forgery
• django_language: django_language is a cookie that memorizes the language chosen by the user, thus avoiding to repeat the language choice when navigating to another page
• sessionid: The sessionid cookie is an alphanumeric code created automatically by the platform and exists as a way of memorizing the user's browsing choices anonymously.
• (AddThis) __atuvc: AddThis cookie that stores the count of users who visited the current page.
• (AddThis) __atuvs: AddThis's cookie used to load the embedded sharing widget on the website
• (AddThis) vc, mus, bku: Used by AddThis platform
• (AddThis) uvc: Finds how often AddThis detects the same user when browsing between sites that use the same service.
• (AddThis) uid: Customizes advertising according to the user's behavioral and localization profile
• (AddThis) ouid: AddThis's cookie used to load the embedded sharing widget on the website
• (AddThis) loc: Geolocation, used to help the AddThis to determine the geographic distribution of site users
• (AddThis) di2: Controls the expiration date of other cookies used by AddThis
• (AddThis > BlueKai) bku: BlueKai adds activities anonymously and allows advertisers to offer more contextualized advertising. For more information visit http://www.bluekai.com/consumers.php and http://www.oracle.com/us/legal/privacy/marketing-cloud-data-cloud-privacy-policy/index.html. An user can opt out at any time by visiting the following page: www.bluekai.com/registry. BlueKai cookies will be invalidated when users access our website.
• (AddThis > BlueKai) bkdc: BlueKai adds activities anonymously and allows advertisers to offer more contextualized advertising
• (AddThis > DoubleClick) IDE, test_cookie: Cookies associated with the Google Advertiser service and your primary goal is to record the performance of your user-enabled advertising campaigns. These cookies may be active on some or all pages of the site.
• (AddThis > TapAd) TapAd_TS: Used to determine what types of devices (smartphones, tablets, computers, etc.) are being used by a user.