360-degree hinges have the screen simply go all the way around the keyboard, from the front to the back. As that means the back of the screen then has the keybo

360-degree hinges have the screen simply go all the way around the keyboard, from the front to the back. As that means the back of the screen then has the keyboard on it, they tend to disable the keyboard. The Thinkpad X1 Carbon even flattens and locks the keyboard so it doesn't feel weird.