Hangouts:
https://plus.google.com/hangouts/_/hoaevent/AP36tYeW4XA6qmKdBpiHjuHPf9qjRXX9zYYDHLCcE1olqc1-SQocOQ?authuser=0&hl=es-419
Youtube:
https://www.youtube.com/watch?v=8qgKCqbGPsI
is only available to registered users. Visit the login page if you have an account. Otherwise visit the registration page to create one.