Vocabulary related to the the mass media

The means of communication, as radio and television, newspapers, and magazines, that reach or influence people widely

We have written some posts about mass media, but we haven't spoke about your specific vocabulary. Now, it's the best time to learn some new nouns. Read the following link.

https://docs.google.com/document/d/13iqsNHmkxxim8WLl3uGhK77oAbE4Pzr1E0p6EeXZhGM/edit#

Please, after reading this words, could you answer this questions?

Media bias
Do you think that this concept is applied in our country? Why?

Press-conference
According you, have changed the inicial idea about the concept of press conference in Spain in the last years?

Trial ballons
In your opinion, are trial ballons a way to manipulate the mass media and, in consequence, the public opinion? Why?

Tabloids
In Spain, do you know how would be the equivalent of the English tabloids?