PHOTO: Mark Zuckerberg shares photo of daughter’s first day of school

One of world billionaires and Facebook founder, Mark Zuckerberg shared a photo of his daughter at her first day of school.

The billionaire who put up the picture could be seen doing some father duties as he and wife Priscilla Chan prepares their daughter for preschool. Such an adorable sight. He wrote on his page:

First day of preschool. They grow up so quickly.