The rise of the ramp is the vertical dimension and the horizontal projection or run of the ramp is the horizontal dimension. If the slope of a ramp is between 1:12 and 1:16, the maximum rise shall be 30 inches (760 mm) and the maximum horizontal run shall be 30 feet (9 m).
GoPro, Inc. (formerly Woodman Labs, Inc), is an American manufacturer of action cameras, often used in extreme-action videography.
El Confidencial/GoPro Nicholas Woodman, 38, is a self-made billionaire. He created Woodman Labs, the maker of GoPro cameras, in 2002. Now the company has more than 500 employees and it generated $986 million in 2013. It started trading on public markets this morning. It's currently valued at $2.6 billion.