Facebook CEO Mark Zuckerberg's wife Priscilla Chan gave birth to a baby girl last week but they didn't announce it officially until Tuesday. (Images from Facebook)
Along with the announcement of the birth of their daughter, the couple pledges to donate 99% of their wealth to tackle world's ills.
In a post titled, 'letter to our daughter' , he promises his daughter to give away 99% of his $45 billion wealth.
Their donation will be used to deal with wide range of pressing issues like health, education, clean energy, etc.
It seems Mark is all set to follow one of the world's leading philanthropist Bill Gates.