1. A method comprising: maintaining product data in a computer-readable data store, the product data including a data entry comprising a question about a product; setting a lifetime date for the data entry; receiving data representative of an answer to the question authored by an author and at least one keyword designated by the author and associated by the author with the answer; providing data representative of the question and the answer for consideration by an approver; receiving data representative of an approval of the question and the answer, the approval having been provided by the approver; publishing the question and the answer about the product for access by at least one user in response to the approval; and in response to the lifetime date being reached, automatically hiding the question and the answer about the product from access by the at least one user and designating the data entry for a lifetime review, the lifetime review including determining whether the hidden question and the hidden answer about the product are out-of-date.