In compliance with the Law on Protection of Personal Information in force, we inform you that the information requested is of a voluntary nature and may be included in and handled by an automated file that is the property of Telefónica Investigación y Desarrollo S.A. Unipersonal. This file complies with the provisions of Article 4.1 of the Law on Data Protection (LDP). To the intents and purposes indicated, when the interested party/user executes the “continue” action on the request form, he gives his express consent for the inclusion and treatment of his information in the file referred to. The user may exercise the right to opposition, access, cancellation and rectification at any time by email sent to protecciondatos@tid.es, or by normal mail sent to the address: Distrito C, Ronda de la Comunicación, Edificio Oeste I, Madrid