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Techniques: those that allow you to control traffic and data communication, identify the session and access restricted access pages, among others. Preferences: allow you to remember your options (for example language or region from which you access), in order to provide you with advanced services. Analytical: they provide statistical information and allow to improve the services. We use Google Analytics cookies which you can deactivate by installing this plugin. Advertising: to offer advertising content related to the user's interests, either directly or through third parties ("adservers"). Geolocation: to know the geographical location of the user.