The film is the film adaptation of book Snowden, the inside story of the worlds most wanted man published by the Guardian journalist Luke Harding. The movie Snowden will be released on September 16th, 2016, but I desire to share with you the trailer which is very intriguing. The scene showed Edward walking along with a RubikS Cube, he removed the black rectangles on the sides of the center tile, then he used the cube to exfiltrate the data and bypass security measures adopted by the NSA.”]
Source: https://securityaffairs.co/wordpress/46855/breaking-news/oliver-stone-snowden-movie.html