A few months ago Amazon reached what its founder and CEO Jeff Bezos demurely tells me was “an interesting milestone.” The retailing giant, so ubiquitously associated with books, then music and video, now has tens of millions of products in stock—and a majority are nonmedia goods: drills, dress shoes, tennis rackets and almost anything else that a human can ship. Adults may still mentally link Amaz
![Inside Amazon's Idea Machine: How Bezos Decodes Customers](https://cdn-ak-scissors.b.st-hatena.com/image/square/c43e827352c3929fd41c06fba00b359d0fe2e2a0/height=288;version=1;width=512/https%3A%2F%2Fimageio.forbes.com%2Fblogs-images%2Fthumbnails%2Fblog_1955%2Fpt_1955_322_o.jpg%3Fformat%3Djpg%26height%3D900%26width%3D1600%26fit%3Dbounds)