There’s a "secret tape" of Lenovo laptop computers being dropped by a robot and then levitated in the air by it’s own internal motors.   The opinion in the blogosphere is split between the appearance of the Lenovo Laptop being a viral marketing ploy vs some actual crazed fan who made the movie.

Here’s the movie care of Andy Beal.

I think this movie is viral marketing and was manufactured and leaked deliberately - just my opinion.