Videocracy

Videocracy is the power of the image over society.
Examples.
"Voter-generated-content", such as videos on YouTube, have been identified as examples of a developing videocracy.
In Italy, the election of Silvio Berlusconi as prime minister in 1994 was seen by many as a "media coup d'état [and] a drift towards 'videocracy'".
John Kifner writes that in Romania a "videocracy" was involved in the overthrow of Nicolae Ceauşescu in the "first revolution on live television".