Priscilla Chan listens as her husband, Facebook founder Mark Zuckerberg, speaks during the Alumni Exercises following the 366th Commencement Exercises at Harvard University in Cambridge, Massachusetts, U.S., May 25, 2017. (Photo/Agencies)
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Priscilla Chan listens as her husband, Facebook founder Mark Zuckerberg, speaks during the Alumni Exercises following the 366th Commencement Exercises at Harvard University in Cambridge, Massachusetts, U.S., May 25, 2017. (Photo/Agencies)