In the Office of Tomorrow, Tech Takes a Load Off—but Watch Out for Weight Gain

SHENZHEN, China—Tech giant Tencent Holdings Ltd.’s new twin-tower headquarters in this southern megacity offers a glimpse into the future of office life, a future where China is pulling ahead in the race for innovative workspaces.

Tencent—a company best known for developing WeChat , the social-networking mobile app with over a billion users—began moving employees into its centerpiece high-rises, the Seafront Towers, in October to prepare for future expansion.