We know the economics of the Internet are driven by advertising. But for all the transformation promised to advertisers, and all that has taken place, the unavoidable fact remains that brands still need to build and maintain relationships with customers in order to succeed.  Given the fragmentary nature of communications in the digital age, I have often wondered what the contemporary market looks like to professionals who develop and manage brands.  So, for this podcast interview, I visited my friend and colleague Andrea Sullivan, Chief Marketing Officer at Interbrand, North America.