Alastair Parvin: Architecture for everyone, by anyone

Designer Alastair Parvin is the Co-creator of Wikihouse, an open-source construction set. He argues that there is an economics to architecture that we don't think about, and realizing this can be a game changer.
[Note: We want you to see these talks exactly as they happened! The archive footage might be a little rougher than the usual TED.com talk.]