Who doesn't love the shorts that play before Pixar movies? No one. That was rhetorical. By law, everyone loves the shorts. Here's a clip from Pixar's Blue Umbrella, which opens in theaters on June 21, 2013, in front of Monsters University. From Disney Pixar:

It is just another evening commute until the rain starts to fall, and the city comes alive to the sound of dripping rain pipes, whistling awnings and gurgling gutters. And in the midst, two umbrellas—one blue, one not—fall eternally in love.