A cookie is a file that is downloaded into your computer while accessing particulas websites. Cookies allow a website, among other things, to store and retrieve information about user/computer browsing habits and, depending on the information they contain and the way you use your computer, they can be used for recognizing the user.
The application we use for obtaining and analyzing the browsing information is: Google Analytics: http://www.google.com/analytics and http://www.google.com/analytics/learn/privacy.html
This application has been developed by Google, which provides us the analysis service of our website audience. This company may use this data for improving its own services and for providing services to other companies. You can know more about these other uses in the links listed.
These tools do not obtain the name or surname of the users or their postal address from which they connect. The information they get is related, for example, with the number of sites visited, the language, the city which has assigned the IP address used for browsing the website, the number of users who visit us, the frequency and recividism of the visits, time of visit, browser used, network operator or terminal type from which the visit is done.
These plugins allow us to facilitate the promotion and diffusion of the users' profiles, and the ability to invite other users to the website.
For allowing, knowing, blocking or deleting the cookies installed in your computer, you can do it by using your installed browser configuration options.
For example, you can find information on how to do it in the case you use one of these browsers: