For absolutely no reason whatsoever, here's video of a dog skateboarding.
If you absolutely must have some info, you should check rnickeymouse's YouTube page for an account of how he stumbled upon this scene and his video eventually ended up in an iPhone commercial.
If you really need to know more, you could always check out gotillman.com. Tillman, the dog, who has an agent and is available for booking.
Or you could just sit back and enjoy the funny dog on a skateboard. With more than 9 million views, the video doesn't need the traffic. But it's funny, people!