Write the main ideas in three sentences.
1. What: The Segway is a personal transportation vehicle made with a platform, a post and two rubber wheels.
2. How-Segway-Bicycle: Unlike bicycles, Segways have no pedals or breaks but use a computer system to move in response to the rider’s movement.
While bicycles can go as fast and far as the rider pedals, the speed and distance Segways can travel is limited to the battery capacity.
3. How/Why not Used: Though Segways can take place for walking in some areas like delivering or patrolling, they are neither as popular nor practical as bicycles.