What did 'Back to the Future Part II' get right - and wrong- about 2015?

In 1989, movie audiences blasted "Back to the Future" to the distant year 2015 and a world of flying cars, hoverboards and dog-walking drones.

Now it's 2015, and things don't look quite like they did when Marty McFly stepped out of the DeLorean.

Futurist Gray Scott offered his take on what the sequel got right, and what tech is still in development. Watch the video above to find out.