Pixar is a well known animation studio owned by Disney. Various movies they have produced are Toy Story, The Incredible and Finding Nemo. Pixar is best known for CGI-animated feature films created with RenderMan.
If you didn't cry during the beginning of Up, you're probably a monster.
This video showcase takes a look at the emotions in Pixar's films. With this talent for expressing feelings, it's no wonder that the studio took on a film entirely about emotions.