There would be some news organization responsible for breaking down and communicating the news.
However, there is much less need for the media in the form it is in a DC society. In DC, with segments of self interest, there is a lot of incentive to conceal or misrepresent facts.
In OS all areas of society are firstly completely transparent already and also have minimal incentive to conceal or misrepresent. For example a fault being concealed to ensure sales of a certain product is a common story in a DC society, however in OS there is no incentive to sell a product with a fault since there is no profit being made in the first place.
Individuals may wish to conceal their own mistakes but that is a problem of individual circles/projects to solve. Self reporting is also a function of a circle/project so the media is not so important.