Ron Howard gives Twitter followers all access pass to “Rush”

As director Ron Howard scouts and shoots "Rush," the Peter Morgan-scripted film on '70s Formula 1 driver Niki Lauda and rival James Hunt, he's given his Twitter followers an all-access pass to the process -- and a rare running photo commentary of a Hollywood director in action.

Already deep in shooting, Howard's Twitter feed has been full of shots showing how the movie has evolved, from script rewrites to scouting tracks and even the dogs in the background. There's few better ways to grab attention than by posting shots of the classic F1 race cars "Rush" will use, like the Tyrrell:

Instead of relying on computer graphics, Howard intends to recreating races with as much authenticity as possible -- from the tracks to the cars themselves, a process that requires far more work on the ground. He's told his followers that about four-fifths of the racing scenes will be mapped out beforehand -- the rest will be caught on the move.

It's not just on-track shots -- "Rush" will delve into a wild period in racing, where F1 drivers doubled as global superstars. That requires all sorts of period recreations:

And in true Twitter addict fashion, Howard doesn't stop sharing even in his off hours, such as when the crew threw him a birthday party:

"Rush," starring Chris Hemsworth and Daniel Brühl, should be released next year; since filming's only been underway for a few days, Howard still has much to tweet.