Mark Zuckerberg and Priscilla Chan Are Expecting Another Daughter

Zuckerberg and Chan welcomed daughter Max Dec. 1, 2015

Max Zuckerberg is going to be a big sister: Facebook co-founder and CEO Mark Zuckerberg revealed Thursday that he and his wife, Priscilla Chan, are expecting another daughter.

@9Number9 David Cohen is editor of Adweek's Social Pro Daily.