WGA writers, particularly as they advance in their careers, often end up engaged in both their capacity as writers as well as in an additional non-writing capacity, such as executive producers.  Article 14 of the WGA Minimum Basic Agreement (MBA) is therefore an important provision to understand for both writers and anyone engaging them; it

The past two decades have seen an explosion of video distribution services and content providers.  Measurement began with the need to ascertain audience size for ad sales purposes, first by mid-20th century over-the-air broadcasters and their advertisers and ad agencies.  Then, this essential monetizing requirement was passed on to the late 20th century competitive cable