Many products that we take for granted and use in our daily lives debuted at World's Fairs. These large international exhibitions used to be the perfect place to launch new products, and indeed many great inventions were first presented to the public in such spaces. This includes important inventions, such as the telephone and ketchup, among others.
In this gallery, we travel back in time and bring you a list of popular things debuted at World's Fairs. Click on to get to know them.