Straight lines don't exist in the human form and are extremely rare in nature, so the human touch in the logo is that all the lines and forms have at least a slight curve.
Marissa MayerGoogle has the functionality of a really complicated Swiss Army knife, but the home page is our of approaching it closed... It's simple, it's elegant you can slip it in your pocket, but it's got the great doodad when you need it
Marissa Mayer