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 USA (December 7, 2010). Warner Bros. also made available in the United States a limited Blu-ray edition packaged in a metal replica of the PASIV briefcase, which included extras such as a metal replica of the spinning top totem. With a production run of less than 2000, it sold out in one weekend. "Inception" was released on 4K Blu-ray and digital copy along with every Christopher Nolan film on December 19, 2017. , the home video releases have sold over 9million units and grossed over . In a November 2010 interview, Nolan expressed his intention to develop a video game