Name a invention from the 20th century that changed the world.
The invention of the internet in the latter half of the 20th century was a game-changer. It allowed for instant communication across the globe, made sharing of information easy and accessible, and spurred the growth of global e-commerce. It is near-impossible to imagine life before the internet, where almost everything is done online nowadays.
The invention of the electronics was one of the most influential inventions of the 20th century, enabling a wide range of technological advancements such as radio, television, and even computers.