One of the things that Wikipedia does far better than journalism — apart from having “many eyes” to make its bugs shallow, is that it maintains a lineage of its information. For example, the version history of the entry on Maurice Jarre is shown on this
page. By treating edits like a database transaction log (which in fact it is), and thereby tracking inserts, edits and deletes, you can ‘play back’ the evolution of a piece of information just like a movie. You can restore to any point in time. This tremendously powerful feature makes Wikipedia, for all its defects
architecturally better than the press. You can not only see the hoax entry come and go, it is possible to see how the Wikipedia editors dealt with it.