-Which Was Not a Force That Drove Marketers to Begin

-Which was not a force that drove marketers to begin focusing on customerrelationships?

A) Technological advances in IT that enabled companies to record transaction details
B) Technological advances that enabled companies to enter into dialogue with customers
C) Direct marketing efforts that enabled companies to enter into one-on-one relationships with their customers
D) The creation of functional information silos enabling smooth data transfers within any organization
E) Writing of consultants pointing out that customer retention was the key to
Corporate profitability