Content providing system, content providing method, and content providing program

A content providing system comprising:

• a client terminal, the client terminal including:
• a display configured to display a content, the content relating to an advertisement for a user of the client terminal based on a use state of the client terminal by the user;
• and
• a client controller configured to secure a content frame in the display for providing the content when the client controller determines that a content frame securing condition is satisfied;
• and
• a server, the server being configured to:
• manage terminal information of the client terminal;
• prepare and manage content information of the content based on the use state and the terminal information of the client terminal;
• save the content prepared by the server into a storage;
• perform distribution control of the content;
• and
• generate a distribution condition based on the terminal information of the client terminal and the content information of the content, and notify the distribution condition to the client controller,
• wherein the client controller is further configured to:
• detect a termination of a videoconference software in the client terminal;
• measure an unused time of the client terminal after the termination of the videoconference software has been detected;
• determine whether the measured unused time satisfies the content frame securing condition;
• secure the content frame based on the distribution condition notified from the server when the client controller determines that the measured unused time satisfies the content frame securing condition;
• and
• transmit a distribution request of the content to server after the content frame has been secured,
• the server is configured to extract the content from the storage and distribute the content to the client terminal;
• and
• the client controller is configured to display the content distributed by the server on the display within the secured content frame.