Earlier this week, Amazon brought its Flow image recognition technology to the retailers main iOS app. The feature, which has long been available as a standalone utility, lets iPhone users add products to their Amazon shopping list simply by capturing them with the devices built-in camera. It analyzes the current frame for products sold by Amazon — youll know its working when blue dots start appearing throughout the scene. From there, it automatically compiles a shopping list that includes any and all items it successfully identifies.