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.
Enthusiasts began uploading videos of their GoPro experiences online, and word spread. Now, GoPro's cameras retail for $300 with all sorts of add-ons that can be purchased to capture amazing moments in real-time. The company has grown to 150 people and Woodman is rolling in cash. Here's what footage taken by GoPro looks like: