Actually, from left to right, it’s me, Ward Bell of IdeaBlade and Microsoft’s Glenn Block, whom John Bristowe and I interviewed in the most recent Ignite Your Coding webcast. Ward and Glenn have forgotten more about building composite apps than I will ever learn. If you attended the “Building Composite Applications with WPF and Silverlight” session in my track at TechDays Canada 2009, you saw what was essentially Ward’s presentation; he’s the only reason I know anything about Prism.