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Internet service is still down in cairo, but across the globe, the web is fueling the discussion on whats going on in the city streets. richard lui has been looking into that story for us. >> again, chris, this is the big point were all talking about when we see whats happening in egypt. social media is basically the bullhorn or town cryers bell for the poor in egypt. with text messages, theyve been able to organize protests for thousands over last week. and facebook walls have basically been th...