The intention being engagement, apart from working on the homepage we could possibly achieve that with additional effectiveness by:
(1) Allowing people to post threaded comments below each talk.
(2) People being able to subscribe to [1] on email.
(3) People being able to subscribe to channels to receive email updates for new playlists/content getting posted.
(1) & (2) will create the possibility of conversations on the platform, while (3) will increase the % of users coming back to HasGeek.tv.