Inception articulate some of the things that have been swirling around his head for the last eight years." DiCaprio and Nolan spent months talking about the screenplay. Nolan took a long time re-writing the script in order "to make sure that the emotional journey of his character was the driving force of the movie." On February 11, 2009, it was announced that Warner Bros. purchased "Inception", a spec script written by Nolan. Principal photography began in Tokyo on June 19, 2009, with the scene where Saito first hires Cobb during a helicopter flight over the city. The production moved to the
Inception Job". The official trailer released on May 10, 2010 through "Mind Game" was extremely well received. It featured an original piece of music, "Mind Heist", by recording artist Zack Hemsey, rather than music from the score. The trailer quickly went viral with numerous mashups copying its style, both by amateurs on sites like YouTube and by professionals on sites such as CollegeHumor. On June 7, 2010, a behind-the-scenes featurette on the film was released in HD on Yahoo! Movies. "Inception" was released on DVD and Blu-ray on December 3, 2010, in France, and the week after in the UK and