I read a good article on the radical re-making of the advertising market today: http://www.fastcompany.com/magazine/151/mayhem-on-madison-avenue.html The article referenced a classic post by Clay Shirky that I’d read before, but was worth revisiting: http://www.shirky.com/weblog/2010/04/the-collapse-of-complex-business-models/ Clay, in turn, referenced a book by Joseph…