There are 4 hidden reasons Pixar movies are so visually compelling

Danielle Feinberg's work is so good, you'd probably never even notice it.

But that's kind of the point if you're a director of photography at Pixar, where one of Feinberg's most important jobs is adding the appropriate lighting to a film. Without Feinberg's touch, films such as "Wall-E," "Brave," and "Monsters, Inc.," wouldn't be nearly as rich or complex.

Feinberg recently gave a TED talk in which she described this delicate art, and she shared with Tech Insider four key considerations that make a film magical.