At 19:52:58 on the evening of March 5 2010 the number of concurrent online QQ users topped the 100 million mark for the first time. On this exciting moment Tencent sent a letter to all QQ netizens thanking them for their long companion which had made this Internet miracle in the world a reality.

Milestones in Tencent QQ Concurrent Online Use

February 10 2001: The number of concurrent online QQ users topped 1 million.

February 16 2005: The number of concurrent online QQ users topped 10 million.

June 3 2006: The number of concurrent online QQ users topped 20 million.

July 13 2007 15:01: The number of concurrent online QQ users topped 30 million.

March 22 2008 22:48: The number of concurrent online QQ users topped 40 million.

February 9 2009 14:52: The number of concurrent online QQ users topped 50 million.

May 16 2009 21:11: The number of concurrent online QQ users topped 60 million.

September 5 2009 21:14: The number of concurrent online QQ users topped 70 million.

October 10 2009 20:44: The number of concurrent online QQ users topped 80 million.

December 11 2009 20:45: The number of concurrent online QQ users topped 90 million.

March 5 2010 52:58: The number of concurrent online QQ users topped 100000000 (100 million).