The Basic Idea Behind the Long Tail Is That

Multiple Choice

The basic idea behind the long tail is that:

A) marketers should pay more attention to its top 20% of customers.
B) marketers no longer need to rely on popular selling items to make a profit. Instead, they should offer more choices to consumers.
C) only a small percentage of people use online recommendation programs, therefore, marketers need to be cautious when implementing them.
D) consumers' evoked sets are becoming eroded because of too much choice.