Aidan Chopra has always had a thing for computers -- his parents thoughtfully sent him to Apple camp instead of hockey lessons like every other eight-year-old in Montreal -- but he learned to draft and build physical models the old-fashioned way, working for his architect father. These days, Aidan is a Product Evangelist at Google, where he's been since that company bought SketchUp in the first part of 2006. In the three years since he graduated with a Master of Architecture degree from Rice University, he's done a lot of writing and lecturing about the way software is used in design. Aidan wr...