Exclusive operation control apparatus and method

If the conflict input operations of a plurality of users, rather than performing only one of the input operation, to provide an exclusive operation control apparatus to display content that reflects both the input operation. Operation determining unit (102) receives input information from a plurality of users, determines the operation content based on the input information. Exclusive operation determination unit (103) determines a new operation content determined by the operation determining unit (102), by using the previous operation content, an exclusive operation regarding a new operation content. Content replication unit (104), based on a determination result of the exclusive operation determination unit (103), to duplicate the contents. Display content management unit (104) receives a new operation content from the operation determination unit (102), if an operation for the content new operation content is replicated, reflecting the new operation content for the duplicate content to generate a content, displayed on the display device (106).