The Digital Revolution Introduced All of the Following Dramatic Changes

The digital revolution introduced all of the following dramatic changes into the business environment, except:

A) marketers are facing much greater difficulty in obtaining large amounts of information on their customers.
B) marketers are able to reach their customers more easily and efficiently.
C) marketers can gather complex and valuable data on consumers' buying patterns and personal characteristics.
D) organisations are able to provide much higher levels of customisation in their offerings.