Why Sketch? An Essay from Field Notes on Science and Nature by Jenny Keller What you have observed closelyA single imageParallel refinementColor reproductionThe negative spaces+4 More Conversational drawingThe Beauty of the Overlooked
Silicon Valley Product Group A Website by Marty Cagan svpg.com The best companies go about building great products differently. Silicon Valley Product Group (SVPG) was created to share lessons learned and best practices about how to build innovative products customers love softwareleadership