"As you begin the next generation of the Chan Zuckerberg family, we also begin the Chan Zuckerberg Initiative to join people across the world to advance human potential and promote equality for all children in the next generation," they posted in a 2,200-word letter to their new-born daughter on Facebook.



In a letter to Max posted on his Facebook page, Zuckerberg and his wife said they were going to give away 99 percent of their company shares - with an estimated value of USD 45 billion -- in an effort to make a happy and healthy world for her and all children.

"Max, we love you and feel a great responsibility to leave the world a better place for you and all children. We wish you a life filled with the same love, hope and joy you give us. We can't wait to see what you bring to this world," the letter said.

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See in pics: Facebook CEO blessed with baby girl