Skateboarding is the act of riding on and performing tricks with a skateboard. A person who skateboards is referred to as a skateboarder, skater or "shredder". Skateboarding is a recreational activity, a job, or a method of transportation. Skateboarding has been shaped and influenced by many skateboarders throughout the years. A 2002 report by American Sports Data found that there were 18.5 million skateboarders in the world. Eighty-five percent of skateboarders polled who had used a board in t… (More on Skateboarding)