Human: I've been hearing a lot about the new e-book readers. What are they and how are they different from a traditional book? Assistant: 
The most common e-book reader is called an e-reader, which is basically just a device that can display digital books or other electronic content. It’s similar to a tablet computer, but it doesn’t have any internal storage space for storing files. Instead, you connect it to a computer or a USB drive with your files on it.