Only for study

Establishment of some famous site  
1.Google          - 4 sept 1998
2.Face Book    - 4 feb 2004
3.Youtube       -  14 feb 2005
4. Yahoo         -   march 1994
5.Baidu            -  1 jan 2000
6.Eikipedia      -  15 jan 2001
7.Windows      -  1 nov 2005
8.Amazon com-  1994
9.Twitter          - 29 jan 2006