Facebook CEO Mark Zuckerberg give away 99% of shares.

Facebook CEO Mark Zuckerberg and his wife, Priscilla Chan, announced the birth of their daughter Max. Proud dad Zuckerberg also revealed his pledge to give away his fortune to make the world a "better place" for baby daughter Maxima and others.

In a letter to Maxima posted on his Facebook page, Zuckerberg and wife Chan said they were going to give away 99 percent of their company shares -- estimated value $45 billion -- during their lives in an effort to make a happy and healthy world. He stood good exemplary to other CEOs.