In 1998 I was sitting at the bar of Frankie, Johnnie and Luigi Too! on El Camino Real in Mountain View (the original - if you know you know) talking about CRM - this was when Clarify and Siebel were dominant - and all the potential business benefits that could be achieved when business were able to really know their customers and serve them as individuals. One of my coworkers said – “But, customers are never going to share that data”.