I really liked this movie.
I went into it thinking that I wouldn't be able to accept DiCaprio as Hughes but I thought he did an excellent job.
One thing about the movie I thought of as I watched it: has something changed about America that we no longer idolize inventors, industrialists and scientists?
In the early part of the 20th century (and the latter part of the 19th century) the American public looked up to, and made celebrities out of people who actually produced something: Thomas Edison, Henry Ford, Howard Hughes, etc., were as much celebrities as Rudolf Valentino, Clark Gable and Jimmy Stewart.
Now, with the possible exception of Bill Gates, our heroes are people who either performers, athletes or professional politicians. People who either entertain us or tax us, instead of produce new inventions for us.
It used to be that producing something tangible was as great a human accomplishment as we might imagine. Now it's an excuse to call someone a corporate shill while we turn our attention to someone who playacts for a living.