Gravity Defying Hoverboard News Today

Juju chang. >> stop. little girl. little girl, stop. look. i need to borrow your -- hoverboard? >> reporter: back in the 80s, everybody wanted one. marty mcflys gravity defying hoverboard. >> hes got a hoverboard. >> reporter: the height of technology that hadnt even been invented yet in "back to the footer part ii." flash forward 25 years to 2014. professional skateboarder tony hack upgrading his usual mode of transportation in a video for funny or die. >> the hoverboard has arrived. >> reporte...