hover

http://thenextweb.com/shareables/2016/05/03/watch-man-obliterate-world-record-longest-hoverboard-flight/#gref http://www.topgear.com/car-news/future-tech/video-93mph-hoverboard-breaks-world-record

I was at Sams club today doing some shopping. I saw a guy gliding along. At first I thought he push the cart and was riding it. Then I saw he was using a hover board, pushing the cart. It worked slick. The guy was good on it. The question is, was the guy allowed to use it there. I can't imagine...