How does InfoCard work? Here's a link to a technical video that explains all

Browse to the Channel9 InfoCard video - it's an hour long and promises the following

Nigel Watling, InfoCard Technical Evangelist, leads an in depth discussion of how InfoCard works, how it's designed (and why) and how it will evolve in the future(great Going Deep stuff!) with InfoCard chief Architect Arun Nanda and Software Developer Ruchi Bhargava.