The Segway PT, first sold in 2001, is one of the most recent transport inventions. It was given the name Segway, which is pronounced the same as the word segue, meaning 'to move smoothly from one place to another'. It has not been as successful as hoped, but it has become a common sight in certain places around the world. Although the Segway has a number of specific advantages, it also has some disadvantages which prevent it being used everywhere