Click below for the main excerpts from a 23 January 2005 presentation (best if viewed in order).

See instructions here if it takes a long time before starting, or while viewing.

Part 1: Dispensing with the hype AND the critics (17.5 minutes)
Part 2: Real codes (19 minutes)
Part 3: Past and Future (8 minutes)

These files are in "wmv" format (in case your computer does not automatically play the video, you can download Windows Media Player - for MAC or Windows - here).