Spanish hackers! Are you interested in how technology can be used for the good of all people? The Cátedra Telefónica Universidad de León invites you to sign up to participate in the HackForGood 2017 - León. This hackathon will be held at the same time in cities across Spain. Come on your own or as a member of a team -- collaborate to create innovative technology that can solve a soical challenge and help people across Spain and the world!