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Cookies Policy

© 2014 Telefónica Investigación y Desarrollo, S.A. Unipersonal, Distrito C, Ronda de la Comunicación, Oeste I, Madrid, Spain.

The Companies Registration Office of Madrid, in volume 7407, book 6380, page 73.647-1, Tax ID Code. A/78423480

In accordance with Spanish legislation regulating the use of cookies in relation to the provision of electronic communication services, as set forth in Royal Decree-Law 13 dated March 30th, 2012, we hereby inform you about the cookies used on the website of Telefónica Investigación y Desarrollo, S.A.U. (hereinafter, the “Website”) and why they are used. Likewise, Telefónica Investigación y Desarrollo, S.A.U. informs you that, by browsing the Website, you are giving your consent for them to be used. The cookies used on our Website include both our own and those of third parties and they enable us to store and access information in relation to the language, the type of browser used and other general characteristics predefined by the user, and also to track and analyse the activity carried out in order to introduce improvements and to provide our services in a more efficient, personalised manner. Telefónica Investigación y Desarrollo, S.A.U. does not use advertising or behavioural advertising cookies. The use of cookies offers numerous advantages in the provision of information technology services, because, among others: (i) they make it easier for the user to browse the Website and access the different services on offer; (ii) they mean that users do not have to set up the general, predefined characteristics each time they enter the Website; (iii) they enable us to improve the functioning and the services provided through the Website, after the corresponding analysis of the information obtained through the cookies installed. However, users can set up their browsers to accept or reject cookies, or select those allowed and those excluded by following one of the following procedures, depending on the browser used:

Analytical cookies:

These make it possible to track and analyse the behaviour of the users of the websites with which they are associated.

Specifically, on the user's device, tid.es stores the analytical cookies of Google Analytics. Users can exclude their individual activity by means of the exclusion systems facilitated by Google Analytics.

This is a table of Cookie's information
cookie Owner Duration Purpose Level
__utma google-analytics.com
ga.js
2 years This cookie keeps a record of the number of times a user has visited a site, and when the first and last visits were. level 2
__utmb google-analytics.com
ga.js
30 minutes This cookie helps to calculate how long a user's visit lasts, storing the time the user entered. level 2
__utmc google-analytics.com
ga.js
Expires with the session This cookie helps to calculate how long a user's visit lasts, storing the time the user exits the page. level 2
__utmz google-analytics.com
ga.js
Expires with the session This cookie keeps track of where the visitor comes from, which search engine was used, which link he/she clicked on, what key words were used and from where in the world the page was accessed. level 2
__utmli google-analytics.com
ga.js
  These cookies from Google Analytics generate an anonymous user ID, which is used to count how many times a user visits the site. It also records the first and last time the user visited the website. Likewise, it calculates when a session ended, the user’s origin and keywords. level 2
aviso_cookies tid.es 1 year This cookie is used to check if the user has already accepted our cookies policy before. level 2
_TIDengine_session tid.es Expires with the session This cookie is a session identifier provided by the ruby on rails application. It is used to identify a user who has begun a session on our Website. level 1


The cookies detailed above are graded on an "intrusiveness level " on a scale of 1 to 3, in which:

  • Level 1: corresponds to internally-used cookies that are essential for provision of the service requested by the user.
  • Level 2: corresponds to anonymous, internally-used cookies necessary for the maintenance of contents and browsing, as well as cookies managed by third parties in the framework of services expressly requested by the user on their websites (e.g. Social Plugins from Facebook or Twitter).
  • Level 3: corresponds to cookies managed by third parties in the framework of services not expressly requested by the user, permitting tracking of these through websites not owned by Telefónica Investigación y Desarrollo, S.A.U. (e.g. graphic advertising management platforms). The specification of this level is accompanied by its owner. The use of level 3 cookies is subject to the user's prior permission by means of express confirmation of acceptance.