Abstract: An electronic device and an operation method thereof are provided. The electronic device includes a communication interface, a memory storing one or more instructions, and a processor configured to execute the one or more instructions stored in the memory to recognize a program associated with content to be displayed, request, through the communication interface, a server for information about a chat room corresponding to a program identity (ID) of the recognized program, and output, based on the information about the chat room being obtained from the server in response to the request, a user interface to allow control as to whether to execute the chat room corresponding to the program ID of the recognized program while the content is being displayed.

Abstract: Provided are a display apparatus and a method for providing a chat service for video content. A processor of the display apparatus receives video content. In response to requesting a chat room corresponding to the video content based on a user account, the processor receives chat messages and displays the received chat messages of the first chat room together with the video content on the display screen. In response to a chat room to which the user account belongs being changed from the first chat room to a second chat room based on an amount of chat messages of the user account transmitted to the chat server, the processor receives chat messages of the second chat room from the chat server, and displays the received chat messages of the second chat room through the display screen.