A term coined by American researchers Maxwel McCombs and Donald Shaw in the 1960s. Planning the communication that the factual powers perform on the media to fix what should be news and what is not. Thus every day they help us to think, to shape our vision of reality and even to whom to vote in an election. Here in Madrid works very well : Every day we are told that a certain party of recent creation is very bad, but that very bad.