Along with small Indies as stated, a lot of the ad market is controlled by large agencies like WPP.
State departments are also one of the biggest spenders (some say that's how the 'deep-state' maintain control of the media...). All those 'stop smoking' and other health ads all add up!
State departments are also one of the biggest spenders (some say that's how the 'deep-state' maintain control of the media...). All those 'stop smoking' and other health ads all add up!
https://en.wikipedia.org/wiki/WPP_plc