An electronic device includes a display; a communication interface; a camera; and a controller configured to control the display to display content; control the camera to capture an image of a user who watches the electronic device while displaying the content; control to obtain information regarding a posture of the user based on the captured image; control to determine whether the posture of the user is acceptable based on the obtained information regarding the posture of the user; and based on determining that the posture of the user is not acceptable, control the communication interface to transmit the captured image of the user to another device.