The Sense of Order A Book by E. H. Gombrich The Tiling Patterns of Sebastien Truchet and the Topology of Structural Hierarchy perceptionartorder
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