An organizer which includes a plurality of holders for holding recording media such as disposable cards. A first holder has a first upper edge and a second holder has a second upper edge and a second lower edge. The second holder is disposed behind the first holder and attached thereto at the second lower edge so that the second upper edge is above the first upper edge. The first holder and second holder are movable with respect to each other about the second lower edge. A method for organizing information includes recording information on a plurality of items of a disposable recording medium in accordance with categories of information, each item corresponding to one category and one subcategory; and arranging those items in the organizer including removing and/or inserting the items.