Bitcoin is a peer-to-peer monetary system in which all transaction records are public. Participants can use its open-source software to transfer virtual currency to one another as easily as they might send an email. Bitcoin opens an uncharted world of new possibilities to explore. We'll follow the stories of entrepreneurs and startups that are helping shape the new financial frontier. We'll look at the competitive mining market and the various subcultures within the Bitcoin community." You'll encounter a variety of characters and opinions as we examine the social and political impact of an open-source digital currency. Will the rise of Bitcoin bring a monetary paradigm shift that will forever change the world? Supposedly invented by a mysterious Japanese man named Satoshi Nakamoto (whose current whereabouts are unknown). Because it is designed to have an absolute ceiling of 21 million Bitcoins in circulation (not anticipated until 2040), and the system has no central depository or administrative authority, it has great appeal to libertarians and others who seek alternatives to a perceived corrupt, manipulative banking infrastructure and excessive government regulations. Its low processing fees compared with those of mainstream credit-card companies also hold considerable allure for merchants.

It tells the stories of six fathers separated from their children after a conflicting divorce and the difficulties to maintain the link with their children. Contains critical material regarding the functioning of the courts and alleges unequal treatment of the couples in conflict. The film had its premiere scheduled for 2014 but was suspended. The Argentinean judge Guillermo Blanch ordered producers to refrain from any transmission and / or retransmission of images or videos without the consent referrals of several people interviewed." The famous journalist and psychologist Liliana Hendel says in the documentary 'is difficult for a woman deviseth that she was beated, or their children, or that he does not give money or any form of violence'... 'the opposite of what usually happens, that any citizen is innocent until it is proven otherwise, I believe that in situations of domestic violence, cause the scale of the problem the burden of proof must be reversed. That is, if I say that he is guilty, he is guilty until proven innocent'. The Argentinean deputy Gladys González argue the documentary supports Parental Alienation Syndrome, a entity that does not exist and it has not been recognized by any health institution in the world, and with the deputy Cornelia Schmidt-Liermann signed a statement rejecting the SAP in the Chamber of Deputies

Citizenfour received the Academy Award for Best Documentary Feature at the 2015 Oscars. The film was directed by Laura Poitras concerning Edward Snowden and the NSA spying scandal." In January 2013, Laura Poitras received an encrypted e-mail from a stranger who called himself Citizen Four. In it, he offered her inside information about illegal wiretapping practices of the NSA and other intelligence agencies. Poitras had already been working for several years on a film about monitoring programs in the US, the result of the September 11 attacks. In June 2013, accompanied by investigative journalist Glenn Greenwald and The Guardian intelligence reporter Ewen MacAskill, she went to Hong Kong with her camera for the first meeting with the stranger, who identified himself as Edward Snowden. Several other meetings followed. The recordings gained from the meetings form the basis of the film.

Dan Cohen, founder of the nonprofit organization Music & Memory, fights against a broken healthcare system to demonstrate music's ability to combat memory loss and restore a deep sense of self to those suffering from it.

Was the sacrifice of an entire generation worldwide an avoidable or a necessary tragedy? Are the roots of World War II to be found in the devastation of World War I? Drawing from over 300 hours of archival footage and tracing the journeys of the civilians and soldiers across the world, anonymous or well-known, who fought for survival in this unprecedented period in human history, both heroic and barbaric. On June 28th, 1914, the assassination of an obscure Austrian archduke in Sarajevo triggers the most disastrous conflict the world has ever known. Germany becomes an enemy to France, invades Belgium, and in September arrives at the gates of Paris.

The French army stops the German advance at the battle of the Marne, while the Germans halt the Russians at Tannenberg on the eastern front. In France, the warring parties dig themselves in for 4 years in the trenches. Soldiers from the colonies come lend a hand to their colonizers and the war becomes global.