We love bringing you good video clips that show off hacks or give clever advice or different perspectives; Check out our weekend watching tag for a few we've posted so far. But what are your favorite sources of Lifehacker-relevant video out there? I've been keeping tabs on Authors@Google, Boing Boing TV, TED Talks, and O'Reilly video. Any others worth adding to our subscription list? Shout out your favorite internet video feeds in the comments.