Advertisements for suicide bombers, promotion of violence and shoot-em-up games have proliferated on the Internet since the Sept. 11 attacks, according to the Simon Wiesenthal Center. “Extremist groups are undoubtedly spending more of their efforts online,” Rabbi Abraham Cooper told a news conference convened for the release of the center`s annual report on the spread of racism and violent hatred on the Internet, “Digital Hate 2002.” Full Story