Amazon quietly builds a profile based on your shopping habits—and you can see some of the assumptions it has made about you.

From "flat buttocks" to husbands with "skinny legs," shoppers are sharing Amazon's oddly specific observations.

Amazon's "About You" personalization page highlights shopping recommendations based on a user's search and purchase history.

Flat buttocks? Own a snail? Here's how to find out what Amazon's About You page knows — or thinks it knows — about you as a person.

With Amazon's About You feature, you can now update and edit the information that personalizes your Amazon shopping ...