A content display system may be provided with a communication device and an information display device. The information display device may display contents by utilizing a browser. The communication device may store location information of summarized content information, acquire the summarized content information based on the location information of the summarized content information, display titles included in the summarized content information, allow a user to select at least one title from the titles, specify first location information of a first content corresponding to a first title selected by the user, and send a command for displaying the first content corresponding to the first location information. The information display device may receive the command, and activate the browser in accordance with a first type of command in a specific case where the browser has been closed which had been activated in accordance with an other first type of command having been sent from the communication device before receiving the first type of command.