If you’ve been following Amazon’s move towards having physical storefronts, you probably have seen the news about a series of different types of retail stores they have created, including bookstores, grocery stores, general merchandise stores, and shops selling prepared food — each of these being along with the fact that they’ve owned Whole Foods Markets for the past four years. Let’s take a closer look at the way that these Amazon outlets collect customers’ money, how they access their data, and some of the privacy implications tied to Amazon’s “Just Walk Out” technology.