In choosing the color of a single toolbar on one of its sites, Google served up pages with 41 different shades of blue to see which one people were most likely to click on.
Madness string 1422
Children do not ask to be born. They are not indebted to you for 'bringing them into the world'. Parents are indebted to their children to provide for them, raise them, guide them and love them. If they can't do that, they shouldn't be parents.