Flash 8 player released : 9/13/05
As of December 2005 Flash 8 player penetration rate had reached 45.2% in USA.
Compare it with the speed of spread of previous major Flash player version - Flash player 7.
Flash 7 player released.: 8/25/03
As of December 2003 Flash 7 player penetration rate had reached 28.9% in USA.
Bottom line:
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