Facebook Turns 21: 5 Key Moments Mark Zuckerberg Redefined the Company The 21-year-old company has undergone a series of dramatic changes since its 2004 founding. By Alexandra Tremayne-Pengelly
Mark Zuckerberg Is in Beijing Again—Does Facebook Have a Chance in China? The Facebook CEO is in China for a school board meeting. Although Facebook is still blocked in China, the social media site looks to tap ad revenue from Chinese businesses. By Sissi Cao