Closed GDC 2007: Inside Sony's Keynote Surprise Tags: Sony Anonymous April 4, 2008 2:45:25 PM Sony began its GDC 2007 keynote by tossing some giant soccer balls into the audience. And yes, the soccer balls had a purpose that came into "play" later in the keynote. GDC 2007: Inside Sony's Keynote Surprise : Read more More about : gdc 2007 inside sony keynote surprise Can't find your answer ? Ask ! Publish Related resources : ForumGDC 2007: Inside Sony's Keynote Surprise More resources !