The nation's delegation to the Davos forum still trails by far those from the U.S. and many other countries, but has grown in recent years as China has taken a more prominent place on the world stage.

WSJ: China's Heavy-Hitters Stay Home from Davos in Holiday Week

Zuckerberg defended the practice of not showing a full and complete chronological feed of all content, saying people benefit from more important content, such as major life events, being given a more prominent place in their feeds.

CNN: Facebook revamps site, tweaks mobile apps