Youmashtube is a great website for entertainment.
It takes feeds off Youtube and creates a custom video channel for you - so you can simply listen / watch lots of videos in a row.
Particularly useful for your own custom music channel or watching long speeches in one go.
Currently I'm using it to catch up on the music of Betty Davis, an under appreciated musical genius. If you haven't heard of her she introduced Miles Davis (her husband) to Jimi Hendrix.