response: I don't know of any, but it is a $4.8 billion business with over 11 million skateboarders worldwide.
original_response: Tony Hawk is one of the most famous skateboarders, there are over 11.08 million active skateboarders in the world! So many people.
history: I've never tried skateboarding. Is it dangerous? I can't speak to how dangerous it is, but it is a sport with lots of action, and involves performing tricks with a skateboard. Are you interested in trying it? Maybe, how long has it been around? I'm not sure how long skateboarding itself has been around, but skateparks have been around since the 1970s, and also get used by BMXers, skates, and scooter riders. What else would you like to know? Are there any famous ones?
knowledge: A 2009 report found that the skateboarding market is worth an estimated $4.8 billion in annual revenue with 11.08 million active skateboarders in the world.