Iain Griffin and Dirk Stewart formed their company after a mutual need for more leg room inspired a brainwave.
They created the Seatfrog app for train travel, which is disrupting the industry.
Dougal Shaw meets them (on a train), and finds out why their business changed from air travel to trains, and moved from Sydney to London.
Presenter/producer: Dougal Shaw
(Image: Iain Griffin and Dirk Stewart. Credit: BBC)
