Mark Zuckerburg and his wife Priscilla Chan have pledged to give away 99 percent of their Facebook stock to philanthropic purposes.
Mark Zuckerburg and his wife Priscilla Chan have pledged to give away 99 percent of their Facebook stock to philanthropic purposes. Tribune News Service file, 2014 John Salangsang
Mark Zuckerburg and his wife Priscilla Chan have pledged to give away 99 percent of their Facebook stock to philanthropic purposes. Tribune News Service file, 2014 John Salangsang