101 Gadgets That Changed the World (2011) is a Documentary film that follows the alarm clock. The personal computer. The smartphone. The radio. You know the greatest gadgets of all time (and you’ve probably owned most of them), but which has changed the world more than any other? To make our list of 101, a gadget had to be something you could hold in your hands, mechanical or electronic, and a mass-produced personal item. The rest was up to the judges. Check out our selections. Currently, you can watch 101 Gadgets That Changed the World on fuboTV. Streaming availability may vary by country and platform over time. Fans of documentary movies may also want to explore similar titles below.