Facebook 2004

Tumblr 2007

Top 15 Social Sites (Placement = year launched, size = user base)

Whats App 2009

QQ 1999

Messaging WeChat 2011

Networking

Qzone 2005

Instagram 2010

Facebook Messenger

2011

Twitter 2006

Baidu Tieba 2003

Sina Weibo 2009

Active monthly users (4/16): 1. Facebook: 1,650,000,000 users. 2. WhatsApp 1,000,000,000 users. 3. Facebook Messenger: 900,000,000 users. 4. QQ: 853,000,000 users. 5. WeChat: 706,000,000 users. 6. QZone: 653,000,000 users. 7. Tumblr: 555,000,000 users. 8. Instagram: 400,000,000 users. 9. Twitter: 320,000,000 users. 10. Baidu Tieba: 300,000,000 users. 11. Skype: 300,000,000 users. 12. Viber: 280,000,000 users. 13. Sina Weibo: 222,000,000 users. 14. Line: 215,000,000 users. 15. Snapchat: 200,000,000 users.

Skype 2003

Viber 2010

Line 2011

Snap Chat 2011

2000 2005 2010