TED has released the video talks from their TED Global Conference in Africa in June. Here are a couple samples:

"When he was just 14 years old, Malawian inventor William Kamkwamba built his family an electricity-generating windmill from spare parts, working from rough plans he found in a library book. In conversation with TED Curator Chris Anderson, Kamkwamba, now 19, tells a moving story of ingenuity and adaptation, and shares his dreams for the future. This talk inspired outpourings of support from the TED community and in the blogosphere."

"After four days of intense discussion on aid versus trade at TEDGlobal 2007, it was up to Ngozi Okonjo-Iweala, the former Finance Minister of Nigeria, to sum it up. She asks, first, for the discussion to continue, and for it to grow more sophisticated, more nuanced. And she shares a gripping story that puts the aid-versus-trade debate into true human terms."

This grab-you-by-the-throat speech by Ghanaian economist George Ayittey unleashes an almost breathtaking torrent of controlled anger toward corrupt leaders and the complacency that allows them to thrive. These "Hippos" (lazy, slow, ornery) have ruined postcolonial Africa, he says. Why, then, does he remain optimistic? Because of the young, agile "Cheetah Generation," a "new breed of Africans" taking their futures into their own hands.