Just selling books? Who does that anymore? 

Amazon is reportedly prepping the unveiling of a glasses-free 3D smartphone in June. The device, according to rumors, will be able to track a user's retinas by using four front-facing cameras that will create a 3D environment without the need for glasses. This technology will also let the user scroll through pages by just using their eyes. According to the Wall Street Journal

The 3D screen technology can sense the movement of a person's eyes and whether the screen is moving closer to a user's face, according to people familiar with the matter. In response, the phone will be able to automatically zoom into images as it moves closer to a user's face and could manipulate text and images as a person moves the phone.

Is the world ready? Maybe we'll find out soon enough.

[via WSJ]