Facebook holds annual F8 developers conference in San Jose, California

Facebook holds annual F8 developers conference in San Jose, California

Facebook Founder and CEO Mark Zuckerberg speaks on stage during the annual Facebook F8 developers conference in San Jose, California, U.S., April 18, 2017. REUTERS/Stephen Lam - RTS12TFL

May 2, 2017 3:47 PM (UTC+8)