This is a big (pardon the term) jump for kids. You have almost an entire generation that did nothing but play videogames and now we have kids who jump and run like they are IN video games. It looks like California will be the first state in the U.S. to take advantage of this trend with laid out courses. I hate to sound like a dad, but it looks like someone is going to break their damn neck! Check out the ad for what will probably be the first of many free running "gyms".