I love skateboarding in my free time. It's a sport where you ride and do tricks on a board
Yeah I have heard it is fun
The skateboarding market is estimated to be around 8 billion dollars. 
Wow that is a lot
There are a lot of pro skateboarders too like Paul Rodriquez who has won 8 medals at the X games.
Do you know tony hawk
Yes! Known as the birdman he is a pro skateboarder who owns the company Birdhouse.