See how China's Tencent Corporation built a next-generation QQ Instant Messenger client using Microsoft Silverlight. Hear how one of the largest communities in the world with 400M+ active users and 50m+ concurrent users got to massive scale with Silverlight while leveraging UX to make more money with their services.

4. Major Branches
Seoul, Korea
San Francisco, US
Shenzhen, China
Hongkong, China
Hanoi, Vietnam
New Delhi, India
Founded in Nov, 1998, IPO at Hongkong in 2004
30+ branches in China, with business coverage of China and Southeast Asia
5000+ employees in total, the average age is 28 years
Total registered QQ IM user accounts exceed 860 million worldwide
Concurrent user accounts reached 55 million this month

5. 2008.05: Market cap exceeded $10 billion (the largest Internet company in China)
2004.06: IPO in Hong Kong
1999.02: QQ launched
1998.11: Tencent founded
2008
5500
3260
2007.05
2005.01
2200
2004.06
2001.06
1000
1999.02 500
300
10
QQ Peak Concurrent
User Accounts
2009.3
2001 2003 2005.2 2006.9 2007.9
1999
1998.11.11
(10,000)

6. 10.353
4.624 4.341
2.609 2.22
1.657
1.107

7. Advertising
Search

11. Seamless connection across platforms
QQ supports:
SLQQ supports:

15. SLQQ

18. Your feedback is important!

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