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- 14:50, 12 January 2009 diff hist +52 Activity Team/TODO →Math
- 14:44, 12 January 2009 diff hist +26 Activity Team/Contacts →Contributors
- 14:43, 12 January 2009 diff hist +6 User:Ysun current
- 14:42, 12 January 2009 diff hist -2 m User:Ysun
- 14:41, 12 January 2009 diff hist +1,224 N User:Ysun New page: ==Hi== I'm Yifan Sun. I work with the F.W.Olin OLPC chapter in Needham, Mass. as software person and driving puppet. I'm interested in all things electrical/computer engineering, and have ...