Patent ID: 8887203

Claim:
A multi-functional display device having a channel map comprising: a display; an input interface; a network interface configured to communicate with at least one second multi-functional display device; and a controller configured to control a display of the channel map and content associated with a channel selected in the channel map, the controller further configured to: receive user address information from a first user and a second user, the user address information including identification information of the first and second user including at least one of a name, an e-mail address, or a social network service (SNS) account information of the first and second user; assign channel numbers to user addresses according to the received user address information; control displaying the channel map, the channel map including channel numbers corresponding to the first user and the second user along with the identification information that includes usernames of the first and second users, identification of a broadcast channel along with corresponding identification of broadcast programs associated with the first and second users, and a link to at least one of content, channels, SNS account information, or an application, wherein the channel numbers corresponding to the first user and the second user are simultaneously displayed in the display to indicate the broadcast programs that the first and second user are currently viewing; detecting a first request to change the displayed channel map; and changing the displayed channel map to a second channel map in response to the first request, wherein at least one of the channel map or the second channel map includes channels associated with an SNS account for an individual or entity, wherein the first request is generated in response to a selection of a key on a remote controller.