When the tantalizing concept of an “information superhighway” first appeared in 1993, it was held out as rivaling the railroads and airlines in revolutionizing and connecting the world. In many ways, it has, creating previously unimaginable opportunities for journalists to have their work reach a global audience. But a report published Feb. 14 by the International Center for Journalists shows in graphic terms that the internet also created dark alleys of hate, misogyny and violence aimed at female journalists.