". . . . the same forces that created Amazon’s Long Tail in the first place may continue to make it longer over time . . . . First, exposure to niche products could drive consumers to develop a taste for more niche products. Second, by gaining access to “long tail” markets to stock their products, producers could have an increased incentive to create more new niche products over time. Finally, technologies that can drive consumers to niche products — such as search tools, product reviews, product popularity information, and recommendation engines — could improve over time, and consumers could become more familiar with these tools."

Brynjolfsson, Hu & Smith Download