Today's session on Branded Media Marketing at Digital Hollywood kicked off with some impressive stats. In 2009, 25 billion dollars was spent on brand advertising in the US, with 20 billion going on event-driven sponsorship. Of the rest, and by far the fastest growing segment, was "advergaming" which broke $500m last year. Randy Shaffer, who heads up sales on the west coast for the Entertainment & Devices Advertising Business Division at Microsoft,