See
http://themes.thestar.com/quote/03RP4Hx44m9Lz

According to the Jerusalem Post and other sites, he is scheduled to be released on February 7, 2011.
http://www.jpost.com/MiddleEast/Article.aspx?id=207111

It said that according to a New York Times report he was being detained because of suspected involvement in anonymous an Facebook page that first began organizing the January 25 protests.

http://www.computerworld.com/s/article/9208503/Google_exec_freed_from_Egyptian_custody