Sequentially displaying posts apart from each other on a computer screen, including prompting a user to input a dimension element including one or more of a character, graphic, or symbol on the computer screen; identifying posts containing one or more dimension elements; sequentially displaying the identified posts apart from each other along a first axis; displaying a moveable cursor along the first axis across one or more displayed posts and that indicates only one or more particular posts; moving the cursor according to the user's operation; identifying one or more posts at a position currently indicated by the cursor; identifying one or more additional posts containing one or more dimension elements related to the elements contained in the posts currently indicated by the cursor; and sequentially displaying posts of the one or more additionally identified posts along a second axis.