A multi-functional display device and a method of controlling the same are disclosed herein. The multi-functional display device and method provides access to human channel services, such as social network services (SNS), on a designated channel on the display device. The method may include assigning channels for a multi-functional display device including assigning a first channel number to at least one broadcast channel, and assigning a second channel number to at least one social network service (SNS) account of one of a first individual and at least one second individual associated with the first individual. The method may include displaying a list of individuals with channel numbers on a display of the multi-functional display device in a social network service (SNS) channel mode, selecting one of the individuals on the list, and displaying information related to the individual or communicating with the selected individual using a SNS account.