Abstract: A method of controlling content by using line interaction includes displaying a play bar region, representing a reproduction state of the content, on a touch screen, displaying an object, representing a function associated with reproduction of the content, near a reproduction time of the reproduction bar region, receiving a user input with respect to the play bar region through the touch screen, determining control information about the content, based on the received user input, and controlling the content according to the determined control information.

Abstract: A method for providing information which is performable by a display device is provided. The method includes: receiving at least one piece of broadcasting program information; obtaining at least one of viewing history information which relates to at least one piece of content that was watched before a predetermined point of time and recording information which relates to at least one piece of content that was recorded before the predetermined point of time; and displaying at least one piece of broadcasting program information from among the at least one piece of broadcasting program information which corresponds to the predetermined point of time on a first region of the display device based on the predetermined point of time, and displaying at least one of the viewing history information and the recording information on a second region of the display device based on the predetermined point of time.

Abstract: There is provided a method of switching from multipoint communication to point-to-point communication while a device performs the multipoint communication with a plurality of participant devices. The method comprises: sharing, by the device, peer-to-peer (P2P) connection information of the device and P2P connection information of each of the plurality of participant devices, with the plurality of participant devices; and switching by the device, from the multipoint communication to the point-to-point communication using the P2P connection information of remaining participant devices of the plurality of participant devices in the multipoint communication when a total number of the remaining participant devices of the multipoint communication decreases to two.

Abstract: A display apparatus is provided. The display apparatus includes a communication interface unit configured to receive eye gaze information of a user and user gesture information from an external apparatus; a display unit configured to display a preset screen; and a controlling unit configured to control the display unit so that a preset object is displayed on the preset screen if it is determined that an eye gaze of the user is directed toward the preset screen using the received eye gaze information and a user gesture corresponding to the received gesture information is sensed.

Abstract: A method of collecting content by a content-collecting apparatus is provided. The method includes extracting a characteristic information from content that is being displayed; transmitting the extracted characteristic information to an external device; and receiving content relating to the transmitted characteristic information from the external device.