We just read about Magnum in Motion on Flavorwire:
Online video library Magnum in Motion highlights the best of Magnum Photo’s vast archive, organized thematically with audio and commentary from the auteurs themselves.
Established in 1947 by heavyweights like Robert Capa and Henri-Cartier Bresson, the Magnum Photo collective is now embracing digital media by inviting career photojournalists to narrate essays based around a specific body of work. The scope of the project is incredible: viewers can ogle horizon lines around the globe, revisit the Coney Island of the 1970s, and explore the US-Mexico border with just a few clicks.
Peruse over 100 photo essays online, research Magnum photographers, and purchase signed and limited-edition photos.