She learned another saying from a filmmaker willing to discuss censorship while inside Iran, but never while abroad.

"She wants to have a discussion about censorship, but to discuss censorship you have to be able to show people the kinds of newspapers that might be censored."

Block was also a critic of the entertainment business itself, writing articles for major publications where he discussed the writing profession, censorship, the influence of advertisers and the trend of deteriorating quality of radio programming.

His master thesis, published in 2004, was titled Blogging Iran - A Case Study of Iranian English Language Weblogs, and discussed censorship and blogging in Iran.

El Hor hosted Frankly Speaking and Clearly for 2M TV, two groundbreaking shows that discussed censorship and democracy in Moroccan society.

At the Emirates Airline International Festival of Literature in Dubai, Margaret Atwood discussed censorship via video link, and the thriller writer Karin Slaughter said that book prizes are "like welfare for people who write very slowly."

Croteau and Hoynes discuss corporate censorship in the news publishing business, observing that it can occur as self-censorship.

The film is also intercut with documentary footage of artists such as John Oswald, A. A. Bronson, Linda Griffiths and Tom Waugh discussing censorship, as well as Trudeau himself invoking martial law during the 1970 October Crisis.

Instead, she ran a piece discussing censorship and the story that was pulled.

Fortunately the considerable degree of freedom of speech and expression that we enjoy allows us to discuss and challenge censorship at all levels and at all times.