Global: Can social networking give a leg-up to the poor?

Can Facebook and YouTube help the poor tackle their pressing problems? Or is this promise just hype? One is faced with tough questions: Can “Web 2.0 tools” directly influence the poor themselves? Can those interested in poverty work do better to start with the “situation” rather than the “technology”? Or should one think big and dream of a network of networks encompassing a billion children and their teachers, families and friends — nearly all of the poor people in the world, and most of the rich?