The Long Tail Effect is a new theory that has emerged in the Internet age and was proposed by the American Chris Anderson. The Long Tail Effect believes that because of cost and efficiency factors, people can only pay attention to important people or things in the past. If we use normal distribution curve to depict these people or things, people can only pay attention to the head of the curve and ignore the people or things at the tail of the curve, which requires more effort and cost to notice.
Which of the following situations adopt the Long Tail Effect and pay attention to the tail?
 When selling products, manufacturers pay attention to a few VIP customers, and have no time to take care of ordinary consumers who are the majority in number