Largest media groups measured by the advertising revenues05/11/2015May 11, 20151. Google 50,578 | 2. Walt Disney Company 21,420 | 3. Comcast 17,750 | 4. 21st Century Fox 17,569 | 5.CBS Corporation 11,024 | Source: Zenith Optimediahttps://p.dw.com/p/1FOGbImage: picture alliance/United Archives/IFTNAdvertisement