61.Which of the following is true of Long Tail economics?
A.It looks at sales in terms of economies of scale.
B.E-commerce businesses that can reach the audience in the Long Tail cannot do so without the typical brick-and-mortar retail costs and expenses.
C.It seeks to sell as many of one item as possible to offset fixed costs.
D.It is ignored by traditional businesses but e-commerce businesses profit from it.
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