Online shoppers prefer books

From The Guardian: "Booming demand in emerging markets from Vietnam to India has made books the most popular item to buy online, according to research out today. More internet shoppers have bought books than any other product online over the past three months, according to a global survey by Nielsen Online. While two-fifths of e-shoppers bought books, 36% have bought clothing, accessories or shoes, 24% have bought airline tickets and 19% music